Year	current US$
1990	23750494.0216165
1991	26130877.1585995
1992	34427568.6783305
1993	29306029.1159644
1994	30312429.6267889
1995	33631710.6953923
1996	32948815.8772711
1997	30959907.8819623
1998	40401193.6994029
1999	41182337.4172163
2000	41392393.1053244
2001	43083186.8330371
2002	48366630.5589642
2003	50010663.6585742
2004	49640480.7108501
2005	49091777.1125283
2006	51499954.2071903
2007	54596883.0924586
2008	59043028.5747439
2009	170399835.102166
2010	59442742.4154763
2011	76658952.7675147
2012	110298670.836417
2013	90834332.9505684
2014	84850306.889218
2015	76847931.2139416
2016	73259569.368398
2017	81195094.2758369
2018	109700485.932589
2019	115812131.504026
2020	90474179.0859685
2021	108833053.572182