Year	constant 2021 international $
1990	6203.633047597909
1991	6261.558424526344
1992	6331.275230370993
1993	6542.381969753679
1994	6560.6126441179895
1995	6545.326771348601
1996	6791.773547764019
1997	6811.181157527973
1998	6896.289129257148
1999	7183.440219950428
2000	7360.93363416314
2001	7547.921775190182
2002	7764.429410371966
2003	7975.895556968893
2004	8234.213312233223
2005	8519.381490985796
2006	8874.083411309162
2007	9387.582830730595
2008	9672.942908644904
2009	9687.556712752286
2010	9953.411723587886
2011	12941.836796391466
2012	12557.356235534375
2013	12313.675407654628
2014	12235.609530945258
2015	11952.430196608058
2016	12507.549755953392
2017	12653.420452408369
2018	12510.514588937127
2019	12293.977784521589
2020	11739.518034970542
2021	12320.560206236776
2022	12655.905473729907