Year	constant 2010 US$
1991	12998.3061914557
1992	11709.0699381645
1993	11352.4749903248
1994	11075.9193333843
1995	10519.4999412806
1996	11839.9601064752
1997	11806.8058381152
1998	11144.1941801012
1999	13377.9975334648
2000	15340.6910653798
2001	14221.2060767432
2002	13970.060151176
2003	13796.2594996758
2004	12740.6733139969
2005	13995.7980230961
2006	13465.4165459753
2007	13906.1603839334
2008	14360.6505035866
2009	15475.0055853995
2010	15060.1841393156
2011	12259.1427312532
2012	15073.465054252
2013	15708.1751934965
2014	15564.9066591018
2015	13814.7033699074
2016	13240.8136798637