年份 | 美国 |
---|---|
2023 | - |
2022 | - |
2021 | 101.192 |
2020 | 100.51 |
2019 | 100.063 |
2018 | 99.2756 |
2017 | 98.9523 |
2016 | 98.7699 |
2015 | 97.6525 |
2014 | 96.9245 |
2013 | 96.1865 |
2012 | - |
2011 | - |
2010 | - |
2009 | - |
2008 | - |
2007 | - |
2006 | - |
2005 | 95.0525 |
2004 | - |
2003 | - |
2002 | - |
2001 | - |
2000 | - |
1999 | 94.4192 |
1998 | 94.4902 |
1997 | - |
1996 | 93.952 |
1995 | 94.2294 |
1994 | 96.1809 |
1993 | 96.2624 |
1992 | - |
1991 | 94.9064 |
1990 | 96.0541 |
1989 | - |
1988 | - |
1987 | 97.3239 |
1986 | 96.9227 |
1985 | 96.3456 |
1984 | 98.1367 |
1983 | 97.4935 |
1982 | 98.4854 |
1981 | 95.3458 |
1980 | 96.3817 |
1979 | 82.3985 |
1978 | 88.0493 |
1977 | 87.8749 |
1976 | 87.3809 |
1975 | 87.0955 |
1974 | 87.1072 |
1973 | - |
1972 | 87.3712 |
1971 | 86.1327 |
1970 | - |
1969 | - |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |