hello I played BO2 with plutonium before and i had a lot of things but when I erased all from my computer I installed the game again and my stats are in 0. Please help I want my things back

Vlad2789_OMG
@Vlad2789_OMG
hello I played BO2 with plutonium before and i had a lot of things but when I erased all from my computer I installed the game again and my stats are in 0. Please help I want my things back