Year	constant 2011 international $
1990	1905.72128849753
1991	1886.97709831636
1992	1950.95353276961
1993	2003.76053310587
1994	2096.05952291902
1995	2211.96912996965
1996	2334.30024866758
1997	2383.85776429689
1998	2485.14416619206
1999	2656.57228112456
2000	2710.26396316992
2001	2792.31388796038
2002	2849.97168096514
2003	3023.64056160287
2004	3210.91458199739
2005	3411.01706389226
2006	3629.43406797313
2007	3848.94888286369
2008	3910.05477345653
2009	4158.38557167279
2010	4451.23359773883
2011	4624.56019248072
2012	4817.19754594727
2013	5064.55856407615
2014	5377.88922857814
2015	5743.42649712883
2016	6145.29459499441
2017	6516.17261998502
2018	6899.21389176438