Year	constant 2010 US$
1991	90111.3124656532
1992	92795.9721796136
1993	92505.2823611962
1994	94969.3978032762
1995	97901.233513789
1996	98117.1728764292
1997	98704.7016593256
1998	99710.4198713906
1999	99183.2457946527
2000	101009.702503795
2001	101233.286429402
2002	99382.601935667
2003	98065.119163614
2004	93779.0156883905
2005	95060.3623492423
2006	94481.8350125872
2007	94950.5220742213
2008	93295.9326852336
2009	91933.2609380174
2010	92994.2480978329
2011	93269.5117419247
2012	90782.5052748388
2013	90074.6120698636
2014	89936.9393290295
2015	89830.91756204
2016	89162.6231869634
2017	89148.0865410161
2018	88822.5481394872