Year	current US$
1989	27881257551.75793
1990	31804865182.545086
1991	34476472925.03255
1992	37473249518.49488
1993	37992424370.412285
1994	40684348644.132126
1995	47238736018.95027
1996	49723230456.82187
1997	51702095752.50885
1998	53846588949.94689
1999	55150788691.57185
2000	58385935302.94408
2001	59967654354.24904
2002	64772601445.07774
2003	76129276124.51776
2004	87517290490.04573
2005	97360937479.05342
2006	110159172675.21678
2007	128913134676.94807
2008	145004172613.78387
2009	131438882401.61621
2010	136774365488.0113
2011	149206293030.87827
2012	154583310332.0124
2013	162496443693.01776
2014	167834703311.42032
2015	159804903495.21176
2016	165230436037.91794
2017	181042582215.66327
2018	192243299947.30136
2019	196096380050.19614
2020	174483233423.3156
2021	193796303639.36063