Hi everyone,
I have a list of data, that goes like this:
Day Month Department Worker Sales
1 1.2015 Department 3 A 5
2 1.2015 Department 4 B 8
3 1.2015 Department 7 D 12
4 1.2015 Department 7 A 33
5 1.2015 Department 3 V 19
6 1.2015 Department 1 G 81
7 1.2015 Department 2 H 14
8 1.2015...