Year	constant 2010 US$
1995	5178.34517415185
1996	5355.42454755449
1997	5899.17387937504
1998	6338.11247586192
1999	6454.63121086449
2000	6926.39676108224
2001	7500.69769528845
2002	8116.88848655588
2003	8830.49982016807
2004	9522.03386424438
2005	10764.3546706269
2006	11979.5416055313
2007	13207.6097589765
2008	13100.646685199
2009	12366.8117055275
2010	11468.6234146744
2011	12266.9348851245
2012	12837.1612389679
2013	13353.2189303403
2014	13710.1817846294
2015	14204.2415368804
2016	14674.5221728659
2017	15422.6358928609