For stallions that stand, will stand, or stood (deceased) in North America (stallions that have died or been exported prior to the 2012 breeding season are excluded), and have runners in North America. Listed below are all available Northern Hemisphere statistics through December 31, 2016. As supplied to The Blood-Horse by The Jockey Club Information Systems, Inc., earnings include adjusted money from Japan, Hong Kong, and Singapore. Adjusted earnings are put on par with average North American earnings from the previous year. For example, the average North American purse in 2015 is $21,782 or 50% of the 2015 average purse in Japan. To put earnings on par, all Japanese progeny earnings are multiplied by 50% before being credited to a sire's progeny earnings. Hong Kong earnings are adjusted by 17%; Singapore by 57%. Current year stakes winners include all Northern Hemisphere black-type stakes results from all available countries.