| 年份 | 美国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 101.047 |
| 2020 | 101.561 |
| 2019 | 100.902 |
| 2018 | 99.7357 |
| 2017 | 99.1985 |
| 2016 | 99.0528 |
| 2015 | 97.1537 |
| 2014 | 96.3625 |
| 2013 | 96.0696 |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | 94.2021 |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | - |
| 1998 | 92.3997 |
| 1997 | - |
| 1996 | 93.5982 |
| 1995 | 93.2337 |
| 1994 | 96.1633 |
| 1993 | 95.9156 |
| 1992 | - |
| 1991 | 93.8017 |
| 1990 | 95.9005 |
| 1989 | - |
| 1988 | - |
| 1987 | 96.843 |
| 1986 | 96.5653 |
| 1985 | 96.5846 |
| 1984 | 98.0499 |
| 1983 | 97.1201 |
| 1982 | 98.0032 |
| 1981 | 94.7743 |
| 1980 | - |
| 1979 | - |
| 1978 | 87.7747 |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | 111.481 |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |