Year	current US$
1990	32563673.9323846
1991	29801520.335149
1992	36511503.496462
1993	43645563.2830449
1994	34090184.5426121
1995	18804856.1740198
2003	-9756439.06982421
2004	7020752.39183853
2005	20291803.5924807
2006	35536326.4038261
2007	54390334.2023632
2008	55408497.8484653
2009	73734350.8004673
2010	68395147.304474
2011	43424482.6535366
2012	51334818.55446
2014	29871095.2669628
2015	54056934.8579485
2016	3569388.64980886
2017	39825855.654139
2018	64799571.7586141
2019	44375731.1795624
2020	31500885.0764296
2021	84206524.4457538