Year	constant 2011 international $
1990	982.659793044258
1991	952.863151812915
1992	867.326541452101
1993	845.404867312177
1994	861.690970766153
1995	898.611941814853
1996	840.351265213967
1997	862.925676755766
1998	881.893281682179
1999	892.450885743177
2000	850.533326019012
2001	869.030294623137
2002	881.486665983125
2003	816.923266561819
2004	848.689032412417
2005	839.74837832113
2006	862.788594560257
2007	885.355141199043
2008	887.608557889138
2009	949.551325173903
2010	982.393325512052
2011	1016.21855192248
2012	1063.29748519137
2013	678.349904405979
2014	676.675821423025
2015	702.985324358434
2016	730.936872556432
2017	753.824879166369
2018	774.687736580029