Year	constant 2011 international $
1990	2576.22308991888
1991	2367.65494589228
1992	2519.61418884847
1993	2510.23186336144
1994	2304.91493669934
1995	2324.86375122104
1996	2229.08158571317
1997	2256.70622060494
1998	2222.46222783343
1999	2210.91085864009
2000	2390.76776623363
2001	2389.15188067834
2002	2377.6761906683
2003	2368.89237934522
2004	2355.48255877857
2005	2367.32316438765
2006	2373.75815980035
2007	2345.44881862306
2008	2372.14312260815
2009	2391.07623221945
2010	2423.92462876635
2011	2463.43366731977
2012	2479.29572049068
2013	2533.86692537282
2014	2528.97816099224
2015	2504.49332930882
2016	2504.32678630833
2017	2515.04266509149