Year	current US$
1993	404509952.848027
1994	456989184.985451
1995	482635335.105261
1996	567704000.540158
1997	564226859.582483
1998	625939364.04943
1999	598784605.33478
2000	604651378.847259
2001	646900811.461152
2002	631412912.381183
2003	744272207.611483
2004	955112339.362415
2005	958336964.287784
2006	1072597634.91612
2007	1166850638.57418
2008	1219762851.44723
2009	1672198400.24897
2010	1420136165.54698
2011	1455413449.92215