USGDP$ billion Spend $ billion 1995 7414.7 2634.87 = 35.5 per cent 1996 7838.5 2719.43 1997 8332.4 2813.59 1998 8793.5 2923.39 1999 9353.5 3053.51 2000 9951.5 3240.18 2001 10286.2 3434.00 2002 10642.3 3697.75 2003 11142.1 3930.63 2004 11867.8 4127.66 2005 12638.4 4397.46 2006 13398.9 4698.31 2007 14077.6 4924.61 2008 14441.4 5335.25 2009 14258.2 6034.60 2010 14623.9 6412.71 = 43 per cent