previous month, current month and next month on a shared axis

[Pernille1983]

Hi 

I have a problem with how to show my data in a chart where I want to have salesperson and previous, current and next month on a shared axis. At the same time I want to have a count of types of customer meeting as values.

I can't figure out is I should use measures or tables to get the right overview.

Below you can see my data and the chart as it looks so far. The bottom chart shows the seperation that I want, exept for I would like the periods to be dynamic, instead of specific months. Besides this I also have a date table with dates, months and so on.

TableChart so far

This is what I wish for