Year	constant 2021 international $
1990	5095.526159536596
1991	5426.139914438992
1992	5840.014332082222
1993	6298.916880732904
1994	6814.869687717887
1995	7137.350073267746
1996	7685.920010732277
1997	8143.238857842276
1998	7990.782209749006
1999	8213.027057681835
2000	8089.950029243536
2001	8266.107530298194
2002	8354.080276206258
2003	8298.655059768276
2004	8429.921824032986
2005	8273.23665803201
2006	8713.012618192008
2007	9362.375624710416
2008	9556.657604573671
2009	9939.914497676573
2010	10397.303419343534
2011	10991.97988992073
2012	11576.059455207891
2013	11943.527359058467
2014	12085.208965057724
2015	12105.17193402881
2016	12498.927263032096
2017	12894.94595142627
2018	13085.91836204648
2019	13557.882993171856
2020	19490.6497892769
2021	23176.133200621676
2022	37684.24177475455
2023	49811.7872052476