Year	constant 2010 US$
1991	8642.39897585147
1992	8699.82971428707
1993	8647.5232352484
1994	8712.22498643716
1995	8820.62104290981
1996	8594.34983571831
1997	8766.84915536586
1998	9134.39048046241
1999	9014.16224841629
2000	8543.87524725884
2001	8695.04481604042
2002	8642.9716016127
2003	8826.71552824596
2004	8887.6237339061
2005	8882.21827545898
2006	8906.37832897894
2007	9001.32447380728
2008	9203.34294444377
2009	9495.22182370066
2010	9851.0820759013
2011	10483.2575081899
2012	10835.545064102
2013	11068.0490702152
2014	11501.0470824024
2015	11615.7759288214
2016	11541.0560746171
2017	10866.7178637338