It will be achieved with Table Calculation or LOD expression. Either way is O.K.
Below is a LOD sample:
Calculate previous month and total value.
And create filter which leave the members who have previous month data. Keep TRUE only.
Please check attached workbook. It contain another way that using Table Calculation.
Hope this helps.
agg_v2019.2.twbx 16.4 KB
Thank you for your help. This helped me to fix this.