年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 112.445 |
2020 | 107.931 |
2019 | 106.609 |
2018 | 104.967 |
2017 | 102.577 |
2016 | 100.707 |
2015 | 100 |
2014 | 99.6916 |
2013 | 98.0408 |
2012 | 96.6315 |
2011 | 94.9689 |
2010 | 92.7184 |
2009 | 91.3203 |
2008 | 91.8484 |
2007 | 89.3413 |
2006 | 87.0211 |
2005 | 84.3232 |
2004 | 81.4516 |
2003 | 79.1403 |
2002 | 77.4712 |
2001 | 76.4045 |
2000 | 75.0616 |
1999 | 73.1544 |
1998 | 72.0094 |
1997 | 71.4557 |
1996 | 70.3234 |
1995 | 69.037 |
1994 | 67.5719 |
1993 | 66.0783 |
1992 | 64.5739 |
1991 | 63.0603 |
1990 | 61.2587 |
1989 | 59.0093 |
1988 | 56.7586 |
1987 | 54.8722 |
1986 | 53.3475 |
1985 | 52.3247 |
1984 | 50.8856 |
1983 | 48.7579 |
1982 | 47.0239 |
1981 | 44.8076 |
1980 | 40.8809 |
1979 | 37.2311 |
1978 | 34.1873 |
1977 | 31.7848 |
1976 | 29.6926 |
1975 | 27.9864 |
1974 | 25.8827 |
1973 | 23.5568 |
1972 | 22.2178 |
1971 | 21.2334 |
1970 | 20.1563 |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |