Year	constant 2021 international $
1995	5704.766842529163
1996	6004.698815747282
1997	6304.494951575863
1998	6505.0593393264
1999	6696.865514519729
2000	7069.9826812703495
2001	7383.350189731586
2002	7792.980229432489
2003	8243.808204355333
2004	8859.171934814234
2005	9491.401692667238
2006	10330.98621809654
2007	11382.597041344612
2008	12177.613269789632
2009	12718.74060460538
2010	13643.09626956981
2011	14525.766740880654
2012	15363.051217149037
2013	16058.569198366065
2014	16803.030509439584
2015	17319.181762119257
2016	17834.73034347887
2017	18677.051111341923
2018	19510.165057278224
2019	20320.804940188544
2020	20252.855254897226
2021	21643.105689916556
2022	22236.84287253742