Year	constant 2010 US$
1994	259.885670962984
1995	256.539189008623
1996	244.053872931579
1997	239.891809797144
1998	224.001806728606
1999	223.54171773895
2000	214.208648803906
2001	203.304506411887
2002	202.117831529494
2003	212.367374899385
2004	218.76259848087
2005	220.925305698898
2006	208.701476788352
2007	216.750546882828
2008	198.908552954082
2009	207.347878778852
2010	242.204683095837
2011	251.365736746049
2012	272.362597025584
2013	271.13316402415
2014	282.242459676602
2015	306.038388225329
2016	265.999448891348
2017	321.34095712616