年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 44.3634 |
2020 | 44.3634 |
2019 | 44.3634 |
2018 | 44.3634 |
2017 | 44.3634 |
2016 | 44.3037 |
2015 | 44.244 |
2014 | 44.1844 |
2013 | 44.1247 |
2012 | 44.065 |
2011 | 44.2788 |
2010 | 44.4925 |
2009 | 44.7063 |
2008 | 44.92 |
2007 | 45.0623 |
2006 | 45.0668 |
2005 | 45.0713 |
2004 | 45.0758 |
2003 | 45.0803 |
2002 | 45.0849 |
2001 | 45.2901 |
2000 | 45.2306 |
1999 | 45.1893 |
1998 | 45.2658 |
1997 | 45.2983 |
1996 | 45.4534 |
1995 | 45.8719 |
1994 | 45.9811 |
1993 | 46.1786 |
1992 | 46.4495 |
1991 | 46.6153 |
1990 | 46.6153 |
1989 | 46.6153 |
1988 | 46.6153 |
1987 | 46.6153 |
1986 | 47.1013 |
1985 | 47.1013 |
1984 | 47.1013 |
1983 | 47.1013 |
1982 | 47.1013 |
1981 | 46.748 |
1980 | 46.748 |
1979 | 46.748 |
1978 | 46.748 |
1977 | 46.9847 |
1976 | 46.9658 |
1975 | 46.9658 |
1974 | 46.9658 |
1973 | 47.0796 |
1972 | 47.1997 |
1971 | 47.3089 |
1970 | 47.429 |
1969 | 47.5433 |
1968 | 47.5813 |
1967 | 47.528 |
1966 | 47.5545 |
1965 | 47.5898 |
1964 | 47.9325 |
1963 | 48.1979 |
1962 | 48.4761 |
1961 | 48.8602 |
1960 | - |