Year	current US$
1992	468813750.051563
1993	161613735.584693
1994	650741694.999876
1995	1050576921.72765
1996	1959987647.3904
1997	2341121606.634
1998	761296527.812001
1999	1046391212.21646
2000	1352711815.54994
2001	2955344552.57906
2002	4205291359.41443
2003	6683209493.56649
2004	9490676095.67767
2005	18988037690.8784
2006	21844647313.3789
2007	31785993062.7738
2008	30800576736.6617
2009	25556937342.1218
2010	33327431428.1666
2011	30409319906.6251
2012	22655836496.6833
2013	18775501998.9497
2014	6622244512.33223
2015	12368080765.1311
2016	14597618304.3675
2017	17747801196.5576
2018	19818210004.1028
2019	24083372926.8886
2020	27549017200.0461
2021	29383187653.8888
2022	26929187392.0519
2023	38715818307.8863