Year	constant 2021 international $
1990	10688.176961548612
1991	3802.229033960565
1992	4893.58169362887
1993	6075.103706440397
1994	6012.549255858984
1995	5934.619643213482
1996	6378.428460375537
1997	7493.632230183885
1998	9788.885094399
1999	11139.26562702876
2000	12596.863366213931
2001	12417.032622067962
2002	11038.811883778173
2003	6782.056157974443
2004	10107.409345415499
2005	9975.702304737624
2006	10463.516211116987
2007	10751.840346909625
2008	11414.485709261398
2009	11383.100525625474
2010	11733.875612018097
2011	12185.504228745933
2012	13274.340751165575
2013	13635.745318263826
2014	13192.389869600172
2015	13445.408309692111
2016	14927.49784445662
2017	14314.356248873866
2018	14340.461025946479
2019	14777.009722825487
2020	12694.894379103613
2021	12596.526485820876
2022	13265.574798735983
2023	12590.804454903662