Personal statistic graph

Hello,
i saw that there may be a problem with graph on personal static page for working stats. Graph is correct for 1, 3 and 6 months. But for other it is not. In the begening of every timeline i have 0 working stats. Here is photos:

21.01.2021. i have 0 stats:

[image: i.imgur.com]

then 24.01.2017. i have 0 stat, and obviously 21.01.2021. i didn't have 0 stats.

[image: i.imgur.com]

and All time again is 0 and it is growing from date 09.01.2007. even i didnt play it then time:

[image: i.imgur.com]

so. my stats are correct, but graph show it alwasy from zero in the begenning.

i think, graph sould be something like bold line:

[image: i.imgur.com]