Year	constant 2021 international $
2000	8624.341538873257
2001	8712.032020133847
2002	9037.019787241858
2003	9326.454783099452
2004	9904.011727291609
2005	10349.99111520149
2006	10908.00064351914
2007	11689.170474500137
2008	12612.519509222935
2009	12461.132164385313
2010	12520.983375643691
2011	12766.494302314875
2012	12895.150694949358
2013	13475.727659665612
2014	13742.353287069993
2015	14506.788845249925
2016	15082.708495100722
2017	15602.16393386989
2018	16431.4211784886
2019	17176.320662789687
2020	16802.744515718492
2021	18162.504406948894
2022	19178.35269105248
2023	19827.485876517865