| 年份 | 美国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 68.7113 |
| 2020 | 72.8402 |
| 2019 | 73.9935 |
| 2018 | 74.8951 |
| 2017 | 74.9972 |
| 2016 | 76.0623 |
| 2015 | 75.759 |
| 2014 | 75.3974 |
| 2013 | 75.0769 |
| 2012 | - |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | - |
| 2005 | 66.9317 |
| 2004 | - |
| 2003 | - |
| 2002 | - |
| 2001 | - |
| 2000 | - |
| 1999 | 61.632 |
| 1998 | 61.0765 |
| 1997 | - |
| 1996 | 68.4622 |
| 1995 | 69.2512 |
| 1994 | 68.8437 |
| 1993 | 68.2958 |
| 1992 | - |
| 1991 | 63.2152 |
| 1990 | 62.361 |
| 1989 | 61.107 |
| 1988 | 60.7153 |
| 1987 | 59.5039 |
| 1986 | 57.8092 |
| 1985 | 57.1595 |
| 1984 | 57.5046 |
| 1983 | 56.8356 |
| 1982 | 56.1631 |
| 1981 | 55.1347 |
| 1980 | 53.4128 |
| 1979 | 53.5003 |
| 1978 | 55.6342 |
| 1977 | 56.5307 |
| 1976 | 60.9705 |
| 1975 | 57.409 |
| 1974 | 54.3086 |
| 1973 | 56.7202 |
| 1972 | 59.4143 |
| 1971 | 59.8797 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |