Year	current US$
1989	27269909.292213753
1990	36146568.54084747
1991	53600652.062443025
1992	63159686.487543285
1993	72434604.78360556
1994	84453455.76657796
1995	105449552.74702059
1996	123477560.96501705
1997	272528542.99274594
1998	111280835.41426007
1999	126523544.98222049
2000	150802703.9730896
2001	161730150.74341068
2002	178441924.71910113
2003	198530801.72118676
2004	238982385.52156746
2005	263751910.6297805
2006	326694662.8019612
2007	424926457.7014113
2008	549169387.4171183
2009	681617971.6705692
2010	791227943.2164305
2011	933755701.8647026
2012	915702151.0674007
2013	1010835565.6744863
2014	1119134379.3359492
2015	1181528062.1789453
2016	1236650227.8568478
2017	1277525813.2322984
2018	1352047063.5177639
2019	1432470789.9789279
2020	1458711206.226153
2021	1637039352.3325324
2022	1362152313.096237
2023	1465155611.688378