| US Military Spending as % of GDP | |
|---|---|
| 1988 | 5.7 |
| 1989 | 5.5 |
| 1990 | 5.3 |
| 1991 | 4.7 |
| 1992 | 4.8 |
| 1993 | 4.5 |
| 1994 | 4.1 |
| 1995 | 3.8 |
| 1996 | 3.5 |
| 1997 | 3.3 |
| 1998 | 3.1 |
| 1999 | 3 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 3.4 |
| 2003 | 3.7 |
| 2004 | 3.9 |
| 2005 | 4 |
| 2006 | 3.9 |
| 2007 | 4 |
| 2008 | 4.3 |
| 2009 | 4.8 |
| 2010 | 4.8 |
| 2011 | 4.7 |
| 2012 | 4.4 |
Sources:
milexdata.sipri.org
After a 3 year stretch between 1999 and 2001 of bottoming out at 3.0% of GDP, US military spending rose after 9/11 to 4.8% by 2009. The past year saw a recent low-point of 4.4%