Year	constant 2010 US$
1994	951.158093052815
1995	1036.84262733042
1996	1149.3553050294
1997	1241.26005321432
1998	1303.59815812292
1999	1352.44687510306
2000	1438.11195255702
2001	1590.52615967623
2002	1824.34553546598
2003	2084.57325359619
2004	2306.9302715339
2005	2679.08694895199
2006	3074.09711230789
2007	3551.87572265702
2008	3848.25768616487
2009	3257.9579364253
2010	3377.64640578846
2011	3477.25646627246
2012	3728.04731711329
2013	3907.92030353627
2014	3971.06585475355
2015	4057.69504961825
2016	3975.29285178965
2017	4335.71491627895
2018	4437.93715964405