Year	current US$
1990	11576063491.7298
1991	11945269359.9274
1992	11960164150.7343
1993	12438376166.3193
1994	12826404401.0166
1995	13371050944.0145
1996	14394653212.7784
1997	14447681076.5746
1998	14812344427.2917
1999	14797062348.1109
2000	15411334595.2864
2001	16450790907.4905
2002	16794908837.3781
2003	17583369803.2497
2004	18114804382.5935
2005	18668370766.657
2006	19972418203.5908
2007	20185395571.4332
2008	21193494713.0695
2009	20293598195.6448
2010	22092982211.5696
2011	22266293794.1964
2012	23617276148.6234
2013	25089349171.8302
2014	24782014156.6782
2015	25812211152.5549
2016	26831318659.6548
2017	27396795820.1424
2018	27726798769.9025
2019	26808063513.7838
2020	25966121526.572
2021	27645558505.4819