Stop Measure changing based on Year Selection

Hi Experts

I do not want me measure PY_2020_Actuals in table Year Grp to change when i change the year from 2020 to 2021. Not sure where the error is in the DAX or what i have missed out.

Sample file

https://www.dropbox.com/s/vru2nqxj0185rjk/CLC.pbix?dl=0