Year	current US$
1990	15268174.7281821
1991	16652029.5618526
1992	18084520.5119635
1993	19350392.4306368
1994	21672654.9988635
1995	22472097.6010121
1996	24353472.6049395
1997	27152004.7734857
1998	32184001.7605413
1999	33904424.3391738
2000	36380758.0656663
2001	41724707.9689323
2002	44537604.6387143
2003	50010663.6585742
2004	52508599.8989891
2005	61888216.978786
2006	72590415.8764818
2007	94256890.3732697
2008	108961221.563325
2009	131183015.676956
2010	146892163.118303
2011	159880158.654515
2012	176167177.593778
2013	185547708.527779
2014	234011754.428403
2015	293134874.3907
2016	397540894.958872
2017	474822892.195133
2018	571226108.487804
2019	659802950.601952
2020	712891650.985605
2021	844686279.90131