Incorrent Statistic placeholder?

[GizliBaskan]

SpongeAPI version: I don't know how i see that

PlaceholderAPI version: 2.11.1

Plugins installed:

Description: I used %statistic_hours_played% placeholder in my scoreboard but it always shows a fixed value of 15 hours and it doesn't increase no matter how much time i wait

I would be very happy if you could help me with this subject