As of July 2013 we have registered more than 6400 doping cases in The Anti Doping Database. Here is a top three list for cycling: Country 1: Italy 142 2: France 87 3: United States 79 Substance 1: Erythropoietin 143 2: Testosterone 66 3: Norandrosterone 42 The Anti-Doping Database registers information about athletes suspended for an Anti-Doping Rule Violation. Our sources are International Federations and National Anti-Doping Organizations. Our data is based on publicly disclosed information and may differ from official statistics reported to central federations or organizations.