Year	constant 2021 international $
1990	14957.571519032004
1991	14344.649629921156
1992	13485.96664164438
1993	13552.13998753303
1994	13786.769316865615
1995	14032.745723639058
1996	14563.548946080107
1997	15228.899546788416
1998	15771.658310546087
1999	15792.810510104475
2000	16464.793730722162
2001	16031.710618745927
2002	16092.574182001448
2003	16378.492304126441
2004	16547.459824487432
2005	17139.940239007254
2006	18116.694950920057
2007	18423.950279136217
2008	18459.66436950599
2009	17459.46217975327
2010	17015.087303464657
2011	16836.166133288178
2012	16750.99296901004
2013	16491.076677969388
2014	16444.16484147093
2015	16807.024376190497
2016	17201.04321249096
2017	17256.26867576407
2018	17096.79594895073
2019	17131.609339832015
2020	14955.978791575246
2021	14752.373697231278
2022	16715.263236198552
2023	17447.903585188313