Counting the highest number of unique items

[Blunder1]

Hi All,

Is there a formula i can use (cant use a pivot table for this) that looks in a column then gives me the highest number of unique items?

Ie:- Column A contain 2000 rows, within those rows there are 50 unique numbers. One of those numbers is repeated 350 times, then the other 49 a repeated less. I want to be able put a formula in that returns a value of 350.

Thanks in advance

Blunder

 

[BobUmlas]

=MAX(COUNTIF(A1:A2000,A1:A2000))
entered via ctrl+shift+enter

 

[Blunder1]

perfect, thank you