Year	constant 2011 international $
1990	42813.7649619025
1991	43924.628254043
1992	45232.8416940254
1993	46243.7798646019
1994	48305.7807034881
1995	50051.8713265966
1996	52302.6913353941
1997	54768.9158066718
1998	55872.639752512
1999	56608.5651311865
2000	58045.0672672257
2001	58956.3941539921
2002	59482.3659600334
2003	59678.4475323707
2004	61675.6007816359
2005	62864.7964675944
2006	63854.1135353232
2007	65083.2586976308
2008	64586.147255723
2009	62698.285355183
2010	62350.4107068751
2011	62145.0261549128
2012	63003.4108977463
2013	62896.290059206
2014	63419.314778542
2015	64028.3915322041
2016	64220.3741466667
2017	64965.385999634
2018	65441.3920471823