Year	constant 2010 US$
1994	892.89096484985
1995	971.177652438222
1996	1017.48396299871
1997	1051.96472280551
1998	1120.40431764009
1999	1147.16251952023
2000	1164.30680726293
2001	1156.94511007184
2002	1154.31650309905
2003	1148.96447074355
2004	1180.55459585711
2005	1226.45995762024
2006	1199.16427450638
2007	1253.73386820754
2008	1291.33413220996
2009	1267.9272812853
2010	1274.91503859892
2011	1331.10299600207
2012	1383.0883033942
2013	1411.06229671913
2014	1492.4009656865
2015	1606.05220752868
2016	1681.23496597949
2017	1751.61714570905