Year	constant 2011 international $
1990	1900.75837543703
1991	1944.03078080124
1992	1961.91310747865
1993	1999.15648952503
1994	2008.40457661509
1995	2035.4014874604
1996	2074.40501692508
1997	2107.56723379487
1998	2152.75851155531
1999	2193.09750812502
2000	2219.2115110036
2001	2252.13219193451
2002	2296.58317627459
2003	2357.33316009876
2004	2428.25517987356
2005	2507.59346029322
2006	2600.78676181235
2007	2644.71688200248
2008	2813.21455613374
2009	2875.41612139918
2010	3026.35523319406
2011	3368.80083733842
2012	3595.64118399197
2013	3769.93967257339
2014	3791.28025073491
2015	3786.96096761707
2016	3830.49766347569
2017	4051.46189149964
2018	4211.8457839409