Year	constant 2010 US$
1991	1208.92713493943
1992	1234.22969278659
1993	1269.69600670723
1994	1309.60832480663
1995	1365.9208822647
1996	1436.60752952335
1997	1444.5053393735
1998	1460.778798976
1999	1486.0752309954
2000	1499.67161577049
2001	1552.05205845604
2002	1567.28916026021
2003	1632.11199150667
2004	1719.80965460225
2005	1816.85203210232
2006	1934.79732926577
2007	2028.20559583661
2008	2117.75908072328
2009	2193.23463349567
2010	2335.12963383479
2011	2529.54994005373
2012	2657.38392296106
2013	2852.14539997785
2014	3005.53448990605
2015	3103.54269364372
2016	3219.33602674189
2017	3390.49697251627
2018	3422.94230522298