Top three countries registered: 1: United States 29 2: Sweden 26 3: Canada 25 Top three substances/methods: 1: Non disclosed substance 59 2: Methylhexaneamine 46 3: Cannabis 26 Top three events 1: In-competition 91 2: Out-of-competition Test 42 3: Out-of-Competition Investigations 11 Top three sports: 1: Track and field 92 2: Weightlifting 32 3: Rugby 23 (Lists are subject to change)