年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 33.8669 |
2020 | 33.8669 |
2019 | 33.8669 |
2018 | 33.8669 |
2017 | 33.8669 |
2016 | 33.8997 |
2015 | 33.8997 |
2014 | 33.8697 |
2013 | 33.8396 |
2012 | 33.8095 |
2011 | 33.7795 |
2010 | 33.7494 |
2009 | 33.6927 |
2008 | 33.6361 |
2007 | 33.5262 |
2006 | 33.4697 |
2005 | 33.4131 |
2004 | 33.3565 |
2003 | 33.2999 |
2002 | 33.2433 |
2001 | 33.1868 |
2000 | 33.1302 |
1999 | 33.129 |
1998 | 33.1172 |
1997 | 33.1053 |
1996 | 33.0935 |
1995 | 33.0816 |
1994 | 33.0697 |
1993 | 33.0579 |
1992 | 33.046 |
1991 | 33.0342 |
1990 | 33.0223 |
1989 | - |
1988 | - |
1987 | - |
1986 | - |
1985 | - |
1984 | - |
1983 | - |
1982 | - |
1981 | - |
1980 | - |
1979 | - |
1978 | - |
1977 | - |
1976 | - |
1975 | - |
1974 | - |
1973 | - |
1972 | - |
1971 | - |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |