Year	constant 2011 international $
1990	24828.6390627031
1991	25110.8016670991
1992	25265.8248961363
1993	25138.2683419726
1994	25703.4673571501
1995	26336.8838104597
1996	26864.1911795187
1997	27617.1366170499
1998	28391.1639483222
1999	29195.669542281
2000	30289.9265623353
2001	30898.2733763964
2002	31223.5118461743
2003	31572.1360902157
2004	32358.5650782418
2005	32993.64765154
2006	34043.1732103314
2007	34881.1251516548
2008	34926.9963273082
2009	33472.3560537838
2010	34134.9765373277
2011	34773.0404397372
2012	34548.6249082712
2013	34516.0256308779
2014	34986.7119365919
2015	35578.2099019578
2016	36250.9174604184
2017	37247.4083893068