Year	constant 2011 international $
1990	5253.76631498028
1991	5262.8351697629
1992	5133.0963275434
1993	5300.40560213248
1994	5842.16651857901
1995	6159.52254881621
1996	6215.62475367427
1997	6498.19734798514
1998	6359.96261402289
1999	6351.02055038985
2000	6428.06705780178
2001	6385.88844954552
2002	6659.18146143164
2003	6867.79701183368
2004	7142.56236124417
2005	7525.56802325153
2006	8024.22841396387
2007	8636.76994814191
2008	9349.35765299265
2009	9376.19670873212
2010	10075.2258008988
2011	10626.0771337578
2012	11185.8088093639
2013	11734.2011367158
2014	11887.3897122438
2015	12121.2047316626
2016	12415.1956615424
2017	12518.1633962279
2018	12794.2127123374