Year	constant 2015 US$
1990	783.173697909788
1991	708.6889541658675
1992	698.2206404914301
1993	740.6276868237088
1994	862.5946046170961
1995	1003.4843899055446
1996	1485.1093663042714
1997	1959.0850620987198
1998	2247.24399795371
1999	2438.7234925262856
2000	2554.564127223023
2001	2606.7503880222457
2002	2735.535288913562
2003	2851.273552936723
2004	3061.551426913604
2005	3218.594203464684
2006	3423.123984370873
2007	3669.0167946349134
2008	3932.0153228423637
2009	3878.440467198395
2010	3980.442306948682
2011	4091.581885099054
2012	4133.9027239172965
2013	4297.493496387822
2014	4403.673914926707
2015	4654.608620388961
2016	4865.351290604638
2017	5082.997253877003
2018	5339.477068269837
2019	5558.0814399069695
2020	5459.219629308911
2021	5947.725702815224
2022	6270.858487412056
2023	6421.0071440214715