On November 14, Xinhua reprinted a China News Weekly report that in less than a year since Xi Jinping came to power in the 18th Congress of the Chinese Communist Party, 11 high ranking provincial officials and department heads have been put under investigation on corruption charges. The number doubled the average of 5.8 officials per year in the past five years. From 2008 through 2012, there were four, eight, six, seven, and four officials, respectively, at provincial or department level who were investigated.
Asia News, "Nanjing mayor arrested on corruption charges,"
http://www.asianews.it/news-en/China,-Nanjing-mayor-arrested-on-corruption-charges-29299.html