Year	current US$
1992	50073091.44066502
1993	62036257.936204396
1994	53555194.8051948
1995	58734375
1996	68117104.78707506
1997	71037097.73746857
1998	63134123.79634145
1999	59796632.572568886
2000	44436363.63636363
2001	50232318.948787265
2002	70596525.59636296
2003	70608711.36687844
2004	89428830.46237534
2005	73009243.86824837
2006	69983739.83739838
2007	58016260.16260163
2008	48130081.30081301
2009	51707317.07317073