Year	current US$
1993	48240000.039339066
1994	97240000.15296039
1995	119489999.13781886
1996	135650000.2332031
1997	88339999.64967373
1998	103560000.54255135
1999	86510000.84728003
2000	117770001.81004411
2001	174360000.96052888
2002	135719999.24443668
2003	210119997.54980212
2004	188620000.86903578
2005	255369999.46832663
2006	78149999.15100633
2007	83019999.16136268
2008	69929998.8523126
2009	86299998.61679974
2010	73269999.1036206
2011	73340001.19194391
2012	24100000.135600574
2013	26399999.94076787
2014	26780000.755563423
2015	25120000.194758147
2016	24020000.440999858
2017	22799999.492242936
2018	25050000.172108416
2019	28070000.302046537
2020	16219999.719411133
2021	16589999.873191126
2022	12519999.785348766