i have 50 payoneer referrals and now here payoneer showing just 3 referrals . what is the problem?

hello all my friends . i have a big problem . i am not know what is the problem. i have a website where i posted the payoneer Referral link in one year 50 people joined payoneer from my link. and in my status payoneer showed me this info. but from the last one month when i am checking my referral status then here is just 3 referrals.. now i am not know what is the problem?