Year	current US$
1992	5389999.985694885
1993	24110000.003129244
1994	22950000.0346452
1995	23809999.808669087
1996	19550000.075250864
1997	6049999.894574279
1998	13880000.261589883
1999	16669999.908655884
2000	12410000.002011657
2001	35770000.029355265
2002	28390000.164508887
2003	18640000.40106475
2004	11679999.908432364
2005	12859999.64922667
2006	7239999.881014233
2007	3960000.017657876
2008	2700000.092387193
2009	17619999.893009707
2010	18310000.38422644
2011	16470000.270754144
2012	18329999.882727824
2013	12200000.194832692
2014	14559999.702498317
2015	11159999.91074204
2016	12710000.384598974
2017	9150000.0115484
2018	12260000.27172268
2019	15569999.832659956
2020	9680000.232532617
2021	13699999.973177906
2022	7079999.990761277