Year	constant 2015 US$
1995	69329.97533345988
1996	69342.71623680879
1997	71298.26274889367
1998	73806.60695589274
1999	75359.18204878157
2000	78033.77380063818
2001	76882.41828909388
2002	76081.73448019262
2003	78849.84791971282
2004	79804.39248337984
2005	82610.62092750326
2006	84463.28988566168
2007	81292.38195858452
2008	76505.52078534012
2009	80744.92417206064
2010	86012.45526045794
2011	82962.536117251
2012	84115.48674754625
2013	83775.8986625485
2014	83010.26398220647
2015	84653.48833613544
2016	82983.43605436003
2017	81909.34977031431
2018	81694.4355677159
2019	82162.6473360142
2020	78260.04681413445
2021	84340.01662243404
2022	86537.16749217849
