Year	current US$
1992	320204.415169581
1993	180915.532188328
1994	759945.357863189
1995	3489548.58279957
1996	2192880.57653515
1997	4576594.24969177
1998	3152281.24152988
1999	3358921.44958013
2000	3038226.40014686
2001	2237405.01096876
2002	4758523.04881797
2003	18539153.7923595
2004	26462865.7529732
2005	49189886.8699242
2006	73830848.53984
2007	90856579.140818
2008	127905386.58581
2009	92426488.0244657
2010	123279637.089322
2011	113541463.498423
2012	113164925.021603
2013	100292645.084713
2014	113887035.68818
2015	93682192.4405716
2016	121868052.900306
2017	150958274.85158
2018	234337543.002775
2019	249205376.651593
2020	244605332.409927
2021	285999103.96241
2022	332274043.956318
2023	295464376.064294