Year	constant 2011 international $
1990	3474.66796869711
1991	3149.93488616251
1992	2681.33278066787
1993	2266.16440368427
1994	1811.64344792363
1995	1696.36351535251
1996	1789.85396596512
1997	1938.83580964188
1998	1949.83293080948
1999	1991.30156576925
2000	2074.50528735026
2001	2164.26829541867
2002	2144.1212497445
2003	2270.92467714174
2004	2401.26500386894
2005	2370.16604504651
2006	2417.57947078108
2007	2599.20601763553
2008	2790.93490017638
2009	2837.03141885562
2010	2790.17066394311
2011	2920.6032099095
2012	2866.62622065277
2013	3116.61390967701
2014	3176.90280430129
2015	3233.53256740346
2016	3304.56268562358
2017	3393.6179895888
2018	3446.99394041558