Year	current US$
1992	35214801.56219318
1993	36640403.88587165
1994	37029220.779220775
1995	46953125
1996	59779445.30967326
1997	65862025.8614703
1998	64018538.6169116
1999	63182041.92436971
2000	65745454.54545455
2001	67200426.68734081
2002	66469917.2400097
2003	79190707.00295888
2004	95158658.20489573
2005	75001303.03931235
2006	72485352.84552845
2007	72005495.93495935
2008	90042276.42276423
2009	101983739.83739838
