If you wanted to do it with formulas:
In G1:J12:
<TABLE style="WIDTH: 192pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=256 border=0><COLGROUP><COL style="WIDTH: 48pt" span=4 width=64><TBODY><TR style="HEIGHT: 15pt" height=20><TD class=xl65 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" width=64 height=20>count</TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; WIDTH: 48pt; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent" width=64></TD><TD class=xl66 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 0.5pt solid; BORDER-LEFT: windowtext 0.5pt solid; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #002060" width=64>Pro</TD><TD class=xl66 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext 0.5pt solid; BORDER-LEFT: windowtext; WIDTH: 48pt; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #002060" width=64>Qty</TD></TR><TR style="HEIGHT: 15pt" height=20><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; HEIGHT: 15pt; BACKGROUND-COLOR: #ccffcc" align=right height=20>6</TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro1</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>2</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro2</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>3</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro3</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>2</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro1</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>4</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro2</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>3</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc">Pro2</TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc" align=right>4</TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD></TR><TR style="HEIGHT: 15pt" height=20><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; HEIGHT: 15pt; BACKGROUND-COLOR: transparent" height=20></TD><TD style="BORDER-RIGHT: #f0f0f0; BORDER-TOP: #f0f0f0; BORDER-LEFT: #f0f0f0; BORDER-BOTTOM: #f0f0f0; BACKGROUND-COLOR: transparent"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext 0.5pt solid; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD><TD class=xl67 style="BORDER-RIGHT: windowtext 0.5pt solid; BORDER-TOP: windowtext; BORDER-LEFT: windowtext; BORDER-BOTTOM: windowtext 0.5pt solid; BACKGROUND-COLOR: #ccffcc"></TD></TR></TBODY></TABLE>
Formula in G2:
=SUMPRODUCT(--ISNUMBER(D2:D12))
Using the keystrokes Ctrl + Shift + Enter put this formula in E2 (then copy it through the range I2:J12):
=IF(ROWS(I$2:I2)>$G$2,"",INDEX(C$2:C$12,SMALL(IF(ISNUMBER($D$2:$D$12),ROW($D$2:$D$12)-ROW($D$2)+1),ROWS(I$2:I2))))
Then create chart with just the data that is showing (because the blanks may cause the chart to not plot correctly).
Then we need to create some dynamic named ranges:
1) To open the Name Manager use Ctrl + F3
2) Click New
3) Type "Pro" in Name textbox and create formula in Refers to textbox: =Sheet1!$I$2:INDEX(Sheet1!$I$2:$I$12,Sheet1!$G$2)
4) Click OK
5) Click New
6) 3) Type "Qty" in Name textbox and create formula in Refers to textbox: =Sheet1!$J$2:INDEX(Sheet1!$J$2:$J$12,Sheet1!$G$2)
7) Click OK
8) Click Close.
Now we need to add these Defined Names to the Chart:
1) In Excel 2003 or earlier go to Step 2 of the Chart Wizard, in Excel 2007 go to the ChartTools-Design Ribbon, Click Select Data in the Data Group
2) Edit the Series values and Horizontal categories. BUT THERE IS AN IMPORTANT TRICK. When you edit the names, you must highlight only the cell references, hit delete, in order to leave the sheet name in the edit textbox. When you see just the Sheet name (for example: =Sheet1!), then type the Defined Name (Pro or Qty) - it would then look like this: =Sheet1!Pro.
3) After adding the Dynamic Defined Names, close everything out and it should all work dynamically.