Year	constant 2021 international $
1990	2156.4401037797975
1991	2188.7968561106095
1992	2265.83656391505
1993	2327.687243606383
1994	2372.302194918049
1995	2447.674636347758
1996	2513.9148267083237
1997	2580.2441464106
1998	2663.3834795321172
1999	2734.88779137308
2000	2825.300472429217
2001	2912.8971249305573
2002	2968.87396079106
2003	3055.7472072947803
2004	3162.8738584455773
2005	3318.834162700373
2006	3497.663923468398
2007	3705.3965325633685
2008	3893.509519080667
2009	4054.1045538143103
2010	4231.41019473125
2011	4450.3653986366035
2012	4682.006522381539
2013	4901.064587757227
2014	5133.756314132328
2015	5405.386482431574
2016	5719.072432782416
2017	6020.264815325173
2018	6386.3112304098095
2019	6813.406186189041
2020	6968.145542252944
2021	7366.489970790653
2022	7805.1530188003635
2023	8171.517091101542
