Year	constant 2010 US$
1991	10217.1770016619
1992	11376.1250264209
1993	11802.1279265662
1994	11727.3727433442
1995	12116.9622475784
1996	12085.6815623849
1997	12273.6921779639
1998	11370.1874495106
1999	11754.6783542061
2000	11858.965457124
2001	11706.1142565704
2002	11990.0948282559
2003	12242.8783576039
2004	11952.7173907248
2005	11799.2536170246
2006	11275.9151091647
2007	11249.3991196799
2008	10769.8303624952
2009	10570.3189774791
2010	10665.5892706123
2011	10457.8208174703
2012	10425.0285839973
2013	9871.22867989936
2014	9859.71755597835
2015	10071.204246909
2016	9787.48279103399
2017	10183.8786281735
