Year	constant 2010 US$
1998	5702713761.98811
1999	6420494763.36647
2000	6653895710.04874
2001	7871967347.68193
2002	10377165120.5796
2003	12226319719.1938
2004	13734582157.1327
2005	17249287057.7397
2006	24200687522.4636
2007	29604624080.8747
2008	36671457850.0255
2009	36818320086.4389
2010	35029657870.2669
2011	41008222562.7129
2012	41637959911.8148
