Badminton had its debut at the 1992 Summer Olympics and has been contested in 5 Olympiads. 50 different nations have appeared in the Olympic badminton competitions, with 19 appearing all 5 times. It is governed by the Badminton World Federation. The 1992 Olympic Games in Barcelona saw the first appearance of badminton. 4 events were held, with singles and doubles events for both men and women. Four medals were awarded in each event, including two bronzes. The next Olympics, Atlanta 1996, had 5 events with the addition of mixed doubles. There was also now a playoff between the two semifinal losers to determine the sole winner of the bronze medal. This format has been used for the 2000, 2004, 2008 and 2012 Summer Olympics.