年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 50.8728 |
2020 | 50.602 |
2019 | 50.2203 |
2018 | 49.8576 |
2017 | 49.5684 |
2016 | 49.4364 |
2015 | 49.1063 |
2014 | 49.1063 |
2013 | - |
2012 | - |
2011 | - |
2010 | - |
2009 | - |
2008 | - |
2007 | - |
2006 | - |
2005 | - |
2004 | - |
2003 | - |
2002 | - |
2001 | - |
2000 | - |
1999 | - |
1998 | - |
1997 | - |
1996 | 38.6275 |
1995 | 38.6401 |
1994 | 38.7068 |
1993 | 36.3971 |
1992 | - |
1991 | 35.1882 |
1990 | 35.1942 |
1989 | - |
1988 | 33.1652 |
1987 | - |
1986 | - |
1985 | - |
1984 | - |
1983 | - |
1982 | - |
1981 | - |
1980 | - |
1979 | - |
1978 | - |
1977 | - |
1976 | - |
1975 | 25.2765 |
1974 | - |
1973 | - |
1972 | - |
1971 | - |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |