Year	constant 2021 international $
1990	10988.388719907225
1991	10780.129240792738
1992	11148.983028848925
1993	11135.896159051197
1994	11152.824788835835
1995	11178.048991331849
1996	11437.78518528259
1997	11719.980577096196
1998	12087.541474246049
1999	12102.595990955217
2000	12600.097792560488
2001	12561.10891420411
2002	12372.05083203322
2003	12567.100232587618
2004	13381.810540989334
2005	13760.569987378052
2006	14214.853108668509
2007	14481.215792489515
2008	14906.149847352875
2009	14670.887161937424
2010	15009.146632021264
2011	15277.92235559855
2012	15576.3494323054
2013	15582.392895752366
2014	15621.793818008713
2015	15910.033247964002
2016	16195.881605595614
2017	16152.609077535963
2018	16278.61211612253
2019	16297.67723166805
2020	15320.109790746737
2021	15776.98485214431
2022	16398.33292436055
2023	16286.107875378104