Original sentence: Some ( mainly turkish ) people also allege that in the spring of 1994, the PKK began to tax rich businessmen of Kurdish origin nationwide.Some people claim the PKK extorts money from people who start new businesses, and benefits from bids on government contracts
Edited sentence: According to the NSIC the PKK obtained 28 million USD from drug smuggling in Europe in 1993.Drug smuggling (thought by some to be the largest proportion of funds the organisation receives).In addition, only those businessmen of whom PKK approves entered bids for government contracts in the southeast, in return for a "commission" to the organisation.In common with many terrorist organisations, the PKK routinely extorts money from people who start new businesses, and benefits from bids on government contracts.In the spring of 1994, the PKK began to tax rich businessmen of Kurdish origin nationwide.Likewise, temporary workers in the southeast who were paid a monthly net salary of $1,000 USD were forced to give up $700 USD of this sum to the PKK.Money collected through drug trafficking and arms-smuggling.Money stolen through robbery or raids.People smuggling (costing on average $5,000 per person).The route of illegal immigrant traffic passes through Turkey to Greece then to Europe and the United States