The most recent issue of Jiuding magazine (Macao) revealed that over 600 billion yuan (US$85.7 billion) goes overseas from China in casino, Internet, and underground gambling each year. The amount is 15 times that of the whole country’s welfare and sports lotteries in 2003. The number was quoted from data released by the Chinese Public Security Ministry. The article was widely posted on many Chinese websites including state media Xinhua and China News Agency.
Source: Xinhua, April 21, 2008 http://big5.xinhuanet.com/gate/big5/news.xinhuanet.com/gangao/2008-04/21/content_8018693.htm