filtering average by only year in a chart where x axis is both year and month

[CL7777]

I have a plot as follows:

In this plot, I have a measure for the Avg 2021 and Avg 2022 lines shown

:

average usage time 2021 =

    VAR lastyear = YEAR(TODAY()) - 1

RETURN

CALCULATE([% Usage Time], ALLEXCEPT('_Date rt (2)', '_Date rt (2)'[Date Month]),'_Date rt (2)'[Year] = lastyear)

and

average usage time 2022 =

    VAR thisyear = YEAR(TODAY())

RETURN

CALCULATE([% Usage Time], ALLEXCEPT('_Date rt (2)', '_Date rt (2)'[Date Month]),'_Date rt (2)'[Year] = thisyear)

This produces 2 lines on the plot that represent the averages for each of the last 2 years. 

The problem is that the averages for each year extend into the other years. what I want is something that looks like the blue line in the plot below

I want one line that shows the average value of the year being plotted. I have tried multiple measures but none of them produce this result.

Any help anyone can offer would be greatly appreciated.

[Bifinity_75]

Hi @CL7777 , can you send me a screenshot with the relationships of the dates, and what date are you using for the chart?. Thanks

[Bifinity_75]

Hi @CL7777 , try this measure

Average = CALCULATE(AVERAGE('Table'[Import]),ALLEXCEPT('Table','Table'[Date].[Year]))

The result:

Best regards

[CL7777]

Thanks for your reponse @Bifinity_75. The plot that shows the bar chart is actually a measure and when I use the same idea as you had above but put averagex([measure]) instead, O get an incorrect result. the measure is:

% Usage Time =

DIVIDE(

       SUMx(

           'JobScan', MIN('JobScan'[LaborHours], 8)) ,

            SUMx(

               '_Date rt (2)', '_Date rt (2)'[Is Working Day]

             )

      )

I use the expression

CALCULATE(AVERAGEX('JobScan', [% Usage Time]), ALLEXCEPT('_Date rt (2)', '_Date rt (2)'[Date].[Year]))

since it is a measure, not a table column 

and I get instead the following blue line, which is not the desired result)

any ideas why this might be wrong? thank you so much