Year	current US$
1990	11419999.89748003
1991	101560003.10927628
1992	209619997.97821015
1993	13200000.181794176
1994	13430000.361055132
1995	168259995.70265406
1996	144249993.80111656
1997	128639997.2625077
1998	127390001.93215938
1999	132940002.22161366
2000	129450001.6272069
2001	122590001.4191867
2002	78419997.58221214
2003	71460001.73315406
2004	57290001.36628746
2005	379999.99523162795
2006	400000.00596046395
2007	289999.99165535
2008	189999.99761581398
2009	109999.999403954