| 年份 | 美国岁数 |
|---|---|
| 2023 | 81.10 |
| 2022 | 80.20 |
| 2021 | 79.30 |
| 2020 | 79.90 |
| 2019 | 81.40 |
| 2018 | 81.20 |
| 2017 | 81.10 |
| 2016 | 81.10 |
| 2015 | 81.20 |
| 2014 | 81.30 |
| 2013 | 81.20 |
| 2012 | 81.20 |
| 2011 | 81.10 |
| 2010 | 81.00 |
| 2009 | 80.90 |
| 2008 | 80.60 |
| 2007 | 80.60 |
| 2006 | 80.30 |
| 2005 | 80.10 |
|
|
|
| 2004 | 80.10 |
| 2003 | 79.70 |
| 2002 | 79.60 |
| 2001 | 79.50 |
| 2000 | 79.30 |
| 1999 | 79.40 |
| 1998 | 79.50 |
| 1997 | 79.40 |
| 1996 | 79.10 |
| 1995 | 78.90 |
| 1994 | 79.00 |
| 1993 | 78.80 |
| 1992 | 79.10 |
| 1991 | 78.90 |
| 1990 | 78.80 |
| 1989 | 78.50 |
| 1988 | 78.30 |
| 1987 | 78.30 |
| 1986 | 78.20 |
| 1985 | 78.20 |
|
|
|
| 1984 | 78.20 |
| 1983 | 78.10 |
| 1982 | 78.10 |
| 1981 | 77.80 |
| 1980 | 77.40 |
| 1979 | 77.80 |
| 1978 | 77.30 |
| 1977 | 77.20 |
| 1976 | 76.80 |
| 1975 | 76.60 |
| 1974 | 75.90 |
| 1973 | 75.30 |
| 1972 | 75.10 |
| 1971 | 75.00 |
| 1970 | 74.70 |
| 1969 | 74.40 |
| 1968 | 74.10 |
| 1967 | 74.30 |
| 1966 | 73.90 |
| 1965 | 73.80 |
| 1964 | 73.70 |
| 1963 | 73.40 |
| 1962 | 73.50 |
| 1961 | 73.60 |
| 1960 | 73.10 |