https://tradingeconomics.com/afghanistan/corruption-index

Along with the general removal of US money spigots and the CIA/DOD putting it's thumb on the scale for corrupt politicians that will collaborate with them. It's frankly the entire reason the regime folded so fast when the Taliban invaded. Entire divisions of troops were just some guy taking their paychecks and putting it into his pocket after forcing them to sign up. And when everyone is power is just blatantly stealing while being propped up by US agencies for being cooperative, well, it trickles down.