Continous line chart

Hello,

I need to make one continuous line chart, but I am having difficulties. I have two mapping tabels, one that is Year (2020, 2021, 2022), and the other mapping table Months ( Jan-Dec), and they are connected with all other queries. I am trying to show some costs as continuos line chart by months and years, but I am only able to have clasic line chart with a couple of lines. 

I am atteching line chart that I need, and how it looks now in Power BI.

any idea how can I solve this, because when I go to edit chart in Power Bi and switch x axis to continuos from categorical, but it immediately goes back to categorical.