Year	constant 2010 US$
1991	1139.53404838501
1992	1157.7018279794
1993	1184.80512723837
1994	1210.72152133492
1995	1257.61976163221
1996	1320.15357526379
1997	1324.49595076236
1998	1337.94457812334
1999	1359.25180001959
2000	1356.11020182153
2001	1397.78731588873
2002	1422.08031688697
2003	1475.35653912669
2004	1544.20713223175
2005	1624.27344210108
2006	1712.43456788059
2007	1783.24990120908
2008	1848.81989263859
2009	1907.62479142149
2010	2010.76733457819
2011	2142.81751730173
2012	2237.20435465176
2013	2367.08192958644
2014	2466.52191155877
2015	2528.97465380564
2016	2594.082068639
2017	2702.24168711391
2018	2812.02538532756