Year	constant 2011 international $
1990	654.657557216511
1991	586.828464550396
1992	517.034401915647
1993	564.439976117867
1994	562.54433576925
1995	577.476830935287
1996	628.995995439324
1997	629.321822673163
1998	589.963532784046
1999	602.721798649207
2000	621.159817123854
2001	653.629770969739
2002	644.774817436535
2003	613.107973860606
2004	676.917429577307
2005	736.033196119248
2006	793.508127819313
2007	860.458550591309
2008	927.514296463821
2009	981.718208224141
2010	1074.59461303402
2011	1161.58143397688
2012	1226.82261687126
2013	1318.83264888247
2014	1413.96251778798
2015	1518.47487145011
2016	1617.32266870747
2017	1724.48254124976
2018	1794.29080577691