Year	constant 2015 US$
1990	28603828357136.914
1991	28912155150597.477
1992	29690209825247.312
1993	30202936405844.336
1994	31370999571803.3
1995	32416520511989.32
1996	33514209923237.133
1997	34730848700310.816
1998	35877951800644.734
1999	37123784438590.33
2000	38604874778649.48
2001	39273375834656.53
2002	39849680951550.21
2003	40645617028191.26
2004	42003740360316.62
2005	43149351195498.83
2006	44491949601249.08
2007	45379930941004.55
2008	44972413767466.695
2009	43993129242772.2
2010	45398024054408.85
2011	46136876453721.19
2012	46874812993075.79
2013	47576335472459.984
2014	48745555723082.1
2015	50084709509602.39
2016	50922237308470.305
2017	52263451947471.96
2018	53419674740152.35
2019	54502666669564.14
2020	52345632852406.27
2021	55429379201993.52
2022	56439463608960.61