Year	constant 2010 US$
1991	1495.86073664882
1992	1449.15236996804
1993	1428.77869546285
1994	1464.31547716625
1995	1457.61280652615
1996	1559.73053953637
1997	1619.55633721087
1998	1540.37339862517
1999	1642.13901292947
2000	1733.69308498392
2001	1748.6437464497
2002	1770.84689838136
2003	1845.31676609842
2004	1903.06834155657
2005	1922.13670309442
2006	1971.49370805166
2007	2033.04557589238
2008	2072.4913525458
2009	2017.15472217789
2010	1991.0730615423
2011	1997.99965313863
2012	2062.76341092737
2013	2123.69711640462
2014	2137.26317785132
2015	2219.02711181769
2016	2284.08245925174
2017	2568.46115761749
2018	2556.93378600376