| 年份 | 美国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 101.71 |
| 2020 | 102.957 |
| 2019 | 102.425 |
| 2018 | 102.354 |
| 2017 | 102.011 |
| 2016 | 102.294 |
| 2015 | 102.747 |
| 2014 | 102.599 |
| 2013 | 103.113 |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | 95.1902 |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | 81.1401 |
| 1998 | 80.4031 |
| 1997 | - |
| 1996 | 89.7186 |
| 1995 | 90.1269 |
| 1994 | 88.3406 |
| 1993 | 87.1561 |
| 1992 | - |
| 1991 | 79.0563 |
| 1990 | 77.3153 |
| 1989 | 74.4885 |
| 1988 | 71.9759 |
| 1987 | 68.4511 |
| 1986 | 65.0269 |
| 1985 | 63.0966 |
| 1984 | 62.2366 |
| 1983 | 60.8598 |
| 1982 | 60.6116 |
| 1981 | 58.8415 |
| 1980 | 55.9316 |
| 1979 | 53.9855 |
| 1978 | 53.4822 |
| 1977 | 51.2818 |
| 1976 | 50.4751 |
| 1975 | 47.2998 |
| 1974 | 43.1208 |
| 1973 | 42.983 |
| 1972 | 42.0733 |
| 1971 | 40.4136 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |