Year	constant 2010 US$
1995	16225.2791184604
1996	17406.7580610175
1997	20033.2803155071
1998	20502.7638253443
1999	22146.2502611301
2000	25131.7312508697
2001	25027.6003986168
2002	25570.0829096286
2003	25877.451036871
2004	28503.0596724704
2005	29041.2227106221
2006	29070.8401926274
2007	29391.4133187538
2008	31739.9617558886
2009	33272.2590900337
2010	32099.4156611032
2011	32662.1957148661
2012	32267.8101525611
2013	35043.8292907916
2014	35737.0430959307
2015	36274.7971307042
2016	36786.0536444289
2017	40459.3082029215
