Year	constant 2010 US$
2000	18239.1197820114
2001	18881.6818953002
2002	18143.137960731
2003	17526.169568222
2004	17417.7091138862
2005	17121.6911359312
2006	16343.7310605502
2007	17934.8970252161
2008	18260.8386036883
2009	18392.9958794235
2010	18103.4168304291
2011	16602.2950646556
2012	16874.8374087105
2013	16789.6351399344
2014	15880.6240785387
2015	16370.4086177307
2016	16466.6361046797
2017	15755.5643800167