Adding a column

[anupgupta12]

Hi There!

I need to add a new column to below data set, Please note below data has counting from 1 to 4 then repeating but my data set keep varying, next month i may have 1 to 5 then repeating.

Data
1
2
3
4
1
2
3
4
1
2
3
4

Expected outcome.

Data	Name
1	Data set 1
2	Data set 1
3	Data set 1
4	Data set 1
1	Data set 2
2	Data set 2
3	Data set 2
4	Data set 2
1	Data set 3
2	Data set 3
3	Data set 3
4	Data set 3

[anupgupta12]

Thanks Mike:-)