Year	constant 2011 international $
1990	10276.623820759
1991	9521.82727885082
1992	9731.40896837062
1993	10069.5445594459
1994	10580.1566152448
1995	11300.3266009083
1996	11975.6257291412
1997	12740.831482963
1998	13324.0288134225
1999	13943.6923689174
2000	14732.5297696054
2001	14920.4714988641
2002	15232.1588861243
2003	15785.4322298921
2004	16605.8275088949
2005	17193.5341241591
2006	18267.6045586066
2007	19563.3040651531
2008	20391.9018197632
2009	20952.7878697904
2010	21770.6300925472
2011	22850.6388460286
2012	23218.111053155
2013	23555.4957596892
2014	24355.3943027322
2015	25307.243943053
2016	26093.5171490765
2017	27346.2798115555
2018	28751.648652259