Year	constant 2011 international $
1990	26932.2655481206
1991	27044.5768651707
1992	27388.8769697827
1993	27531.8490249204
1994	28171.2546459955
1995	28695.3159058766
1996	29405.7295392851
1997	30263.8072317911
1998	30931.5249252058
1999	31735.4393872515
2000	32818.3009632983
2001	33024.3886068133
2002	33334.560253964
2003	33787.8063650353
2004	34669.6630963372
2005	35425.4764140223
2006	36291.8971066152
2007	36987.0242792704
2008	36834.3764596224
2009	35322.245113589
2010	36147.0151605561
2011	36690.9847131773
2012	36963.1751182453
2013	37304.6702253047
2014	37867.5611968727
2015	38588.0893731691
2016	39040.3664829719
2017	39802.4841504969
2018	40489.8913602533