Monthly count of accounts

[#1]

Hi alltogether,

maybe somebody can help me.

I try to count the monthy new accounts and show the result in a diagram.

The dimension is a date field "Year_MM1" (YYYYMM) and

in formular i count the accounts:

But the result is a daily aggregation.

What my is my mistake?

Thanks in advance,

CU,

Florian