年份 | 美国 |
---|---|
2023 | - |
2022 | 64.9124 |
2021 | 65.0781 |
2020 | 65.2653 |
2019 | 65.4723 |
2018 | 65.6913 |
2017 | 65.8778 |
2016 | 66.1535 |
2015 | 66.3751 |
2014 | 66.441 |
2013 | 66.572 |
2012 | 66.7733 |
2011 | 66.986 |
2010 | 67.1049 |
2009 | 67.1369 |
2008 | 67.1934 |
2007 | 67.227 |
2006 | 67.1584 |
2005 | 67.0289 |
2004 | 66.8797 |
2003 | 66.7297 |
2002 | 66.5726 |
2001 | 66.4177 |
2000 | 66.257 |
1999 | 66.0783 |
1998 | 65.9489 |
1997 | 65.8376 |
1996 | 65.7293 |
1995 | 65.6539 |
1994 | 65.6552 |
1993 | 65.7141 |
1992 | 65.8111 |
1991 | 65.9892 |
1990 | 66.1589 |
1989 | 66.2822 |
1988 | 66.4902 |
1987 | 66.6819 |
1986 | 66.7058 |
1985 | 66.6568 |
1984 | 66.6266 |
1983 | 66.5669 |
1982 | 66.469 |
1981 | 66.3912 |
1980 | 66.2488 |
1979 | 65.9995 |
1978 | 65.6727 |
1977 | 65.3061 |
1976 | 64.9051 |
1975 | 64.442 |
1974 | 63.9479 |
1973 | 63.433 |
1972 | 62.8915 |
1971 | 62.3715 |
1970 | 61.9129 |
1969 | 61.4755 |
1968 | 61.0055 |
1967 | 60.628 |
1966 | 60.1675 |
1965 | 59.8653 |
1964 | 59.9403 |
1963 | 59.974 |
1962 | 59.8777 |
1961 | 59.7776 |
1960 | 59.9545 |