 Since 2011, Dui Hua has released what is believed to be the most accurate statistics on the number of yearly executions in China.Dui Hua believes that approximately 4,000 executions took place in China in 2011, down about 50 percent since the Supreme People's Court regained its power of final review over death sentences in 2007.Dui Hua's estimate garnered widespread media coverage and was cited as "rare data" by Agence France-Presse.