Year	constant 2010 US$
1975	864.186587351556
1976	920.262172181826
1977	962.868943681323
1978	1043.74157157512
1979	1129.59520143041
1980	1109.77484978692
1981	1050.6299699667
1982	966.516898831107
1983	871.952420517288
1984	903.44146364462
1985	1021.45282414968
1986	1051.53436088663
1987	1013.45855677691
1988	1062.86489161084
1989	1282.78648011184
1990	1518.52166178643
1991	1620.01595417649
1992	1555.57706783822
1993	1480.41581079843
1994	1478.30411273685
1995	1687.42093689286
1996	1736.95335210662
1997	1924.92462292752
1998	1920.94886442797
1999	1880.60295278695
2000	1818.80945054125
2001	1705.12477607685
2002	1758.12538977115
2003	1750.97825956234
2004	1773.01308926378
2005	1927.43588557644
2006	2214.54615945495
2007	2492.88135938054
2008	2861.80480824503
2009	2961.61416854312
2010	3162.46967170099
2011	3363.67243838669
2012	3278.81833312877
2013	3569.60156419258
2014	3642.48762381167
2015	3730.46954488291
2016	3744.76929788531
2017	3906.62570104218
2018	3971.22359523505