Year	Min	Sec
1964	4	12.2
1968	4	9
1972	4	0.27
1976	3	51.93
1980	3	51.31
1984	3	51.23
1988	3	46.95
1992	3	45
1996	3	47.97
2000	3	40.59
2004	3	43.1
2008	3	41.86
2012	3	40.14