Year	constant 2010 US$
1993	31322.2390303514
1994	30534.8326510353
1995	31072.3459023929
1996	31419.0855799471
1997	31454.9496739558
1998	31919.909713312
1999	32768.2732217599
2000	34203.3770370946
2001	35378.0976828065
2002	35345.946010611
2003	36455.1920309535
2004	37370.8258434617
2005	38445.2599567249
2006	40060.9118553606
2007	41843.9748824529
2008	41894.5301332606
2009	39747.9438077771
2010	40323.7861371351
2011	40697.0649622521
2012	40448.257858031
2013	40154.3767962695
2014	40990.9440886341
2015	42601.2657875274
2016	43057.1354972939
2017	43471.9070952602
2018	44953.1099141622