Year	current US$
1990	217522149.781561
1991	192392861.924254
1992	184199091.337228
1993	121734328.711268
1994	141639545.521826
1995	165753529.250003
1996	204785186.219105
1997	219601814.515028
1998	229580707.026169
1999	205964455.757397
2000	201522307.941432
2001	196378365.083497
2002	198234420.091079
2003	219899378.695013
2004	225412433.010501
2005	251219548.141292
2006	337315899.091592
2007	408709210.938251
2008	466751207.967657
2009	551455521.03662
2010	579270136.416769
2011	590800066.341903
2012	693852277.09508
2013	754884450.526025
2014	822509527.293285
2015	815534012.22955
2016	839273920.202377
2017	895923912.222977
2018	963810945.206974
2019	1012739927.19138
2020	1025963510.51529
2021	1058851551.21789