| 年份 | 美国支出占GDP比重 |
|---|---|
| 2021 | 31.35% |
| 2020 | 32.19% |
| 2019 | 22.73% |
| 2018 | 22.32% |
| 2017 | 22.31% |
| 2016 | 22.57% |
| 2015 | 22.50% |
| 2014 | 22.70% |
| 2013 | 22.94% |
| 2012 | 23.91% |
| 2011 | 25.35% |
| 2010 | 26.05% |
| 2009 | 25.58% |
| 2008 | 22.79% |
| 2007 | 20.86% |
| 2006 | 20.60% |
| 2005 | 20.75% |
| 2004 | 20.45% |
| 2003 | 20.66% |
|
|
|
| 2002 | 20.08% |
| 2001 | 19.51% |
| 2000 | 17.93% |
| 1999 | 18.10% |
| 1998 | 18.72% |
| 1997 | 19.39% |
| 1996 | 20.01% |
| 1995 | 20.53% |
| 1994 | 20.73% |
| 1993 | 21.42% |
| 1992 | 21.82% |
| 1991 | 22.88% |
| 1990 | 21.56% |
| 1989 | 20.86% |
| 1988 | 21.03% |
| 1987 | 21.37% |
| 1986 | 22.23% |
| 1985 | 22.17% |
| 1984 | 21.47% |
| 1983 | 22.80% |
|
|
|
| 1982 | 22.46% |
| 1981 | 21.00% |
| 1980 | 20.54% |
| 1979 | 18.92% |
| 1978 | 19.12% |
| 1977 | 19.60% |
| 1976 | 19.73% |
| 1975 | 19.47% |
| 1974 | 17.88% |
| 1973 | 17.90% |
| 1972 | 17.80% |