Year	constant 2015 US$
1990	24154.48308121694
1991	24236.51034701344
1992	24709.483073342082
1993	24969.887759795216
1994	25776.971002847462
1995	26481.910385637388
1996	27223.178977865802
1997	28055.949784013334
1998	28828.106388773216
1999	29678.088828217467
2000	30713.711315449502
2001	31098.37518784861
2002	31406.276673496526
2003	31879.98058265412
2004	32780.23308846803
2005	33496.420759305554
2006	34325.42609121849
2007	34769.59237619744
2008	34208.30941587482
2009	33244.59522498792
2010	34115.28841506202
2011	34537.241439204
2012	34909.728479952624
2013	35244.2096055469
2014	35917.27485142835
2015	36711.39810848219
2016	37128.421002430354
2017	37928.98239233973
2018	38599.275680364015
2019	39233.916656595124
2020	37551.98997595035
2021	39792.38585999409
2022	40431.14174143581