年份 | 美国 |
---|---|
2023 | - |
2022 | 92.7588 |
2021 | 92.2749 |
2020 | 91.9887 |
2019 | 91.0244 |
2018 | 90.9262 |
2017 | 82.8122 |
2016 | 92.2927 |
2015 | 92.079 |
2014 | 91.8989 |
2013 | 91.7118 |
2012 | 91.8566 |
2011 | 92.0522 |
2010 | 91.3199 |
2009 | 90.2126 |
2008 | 91.9454 |
2007 | 92.5896 |
2006 | 91.8674 |
2005 | 91.0684 |
2004 | 89.7119 |
2003 | 89.5725 |
2002 | 89.6034 |
2001 | 90.9757 |
2000 | 91.1554 |
1999 | 90.1311 |
1998 | 91.0366 |
1997 | 90.7035 |
1996 | 90.2312 |
1995 | 89.0943 |
1994 | 88.3125 |
1993 | 88.7715 |
1992 | 88.6237 |
1991 | 89.0786 |
1990 | 89.8263 |
1989 | 90.3041 |
1988 | 89.3305 |
1987 | 89.6781 |
1986 | 88.5869 |
1985 | 87.9109 |
1984 | 86.6702 |
1983 | 86.7096 |
1982 | 86.7379 |
1981 | 86.1565 |
1980 | 89.0177 |
1979 | 89.9201 |
1978 | 88.8001 |
1977 | 87.5186 |
1976 | 85.9463 |
1975 | 86.5284 |
1974 | 86.1797 |
1973 | 85.1205 |
1972 | 83.9738 |
1971 | - |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |