Year	constant 2010 US$
1995	5271.04556295736
1996	5442.42651651029
1997	6117.47762387117
1998	6044.81299620667
1999	5892.88846157005
2000	6143.74713808305
2001	6647.01080752495
2002	7177.0159603842
2003	7456.68327277953
2004	7752.20926957815
2005	8046.63812108109
2006	8306.67125860262
2007	8828.83183511228
2008	8945.7327648117
2009	8292.02123101574
2010	8187.73817589812
2011	8242.77063943597
2012	8017.2687568881
2013	7897.28432488467
2014	7802.37111823053
2015	7956.01478554433
2016	8288.66850158788
2017	8690.93478903365
2018	9072.91158646449