Sum Column B based on Column A using Excel VBA Macro

Question

OK, I have a simple problem that I need help with in a VBA Macro. I have an excel sheet that looks like this...

Product #     Count
101              1
102          


        

Answer 1

Based the code in Sub doIt(), is possible in the for Each ycle to retrive also the number of occurence?

Example:

Product # 101 have 4 occurence

Product # 102 have 2 occurence ecc...