>Ko,
>
>Your result is not what I want:
>

>Sample:
>1999 01 20
>1999 01 30
>1999 03 40
>2000 01  10
>2000 01  15
>2000 02  20
>2000 03  10
>
>Result should be:
>1999 01  50  2
>1999 03  90  3
>2000 01  25  2
>2000 02  45  3
>2000 03  55  4
>

>
>See the difference with your result?

---

Eh?

No?

Mines gave that result.
Look at the sample values i provided, and look out that in the second table the fields aren't sorted yet.