Year	constant 2015 US$
1960	884.8300297473811
1961	850.1633385564189
1962	863.8542119302533
1963	879.1016557374767
1964	921.8300894213476
1965	961.2697968005336
1966	1010.687884107819
1967	1005.7213637249281
1968	1034.2713104070883
1969	1110.8266060940914
1970	1202.4658539625852
1971	1274.7466276928321
1972	1345.741028505853
1973	1448.130060632924
1974	1491.8724949586992
1975	1529.6461012213615
1976	1604.4327356161136
1977	1680.21222535176
1978	1765.990727024556
1979	1875.3274616523208
1980	1985.4990468586477
1981	1961.1606237827598
1982	1968.4935231714453
1983	1972.6651018442099
1984	2096.850481797697
1985	2216.3927789254353
1986	2309.6636305894604
1987	2419.770943009771
1988	2504.4096959407907
1989	2584.7463809034703
1990	2555.35648143021
1991	2534.333472316737
1992	2523.46528999757
1993	2602.6139605712465
1994	2688.5081963685725
1995	2810.3263511164023
1996	2923.850775496152
1997	3057.684399547336
1998	3115.6932767969734
1999	3232.2775586988005
2000	3431.9442412513276
2001	3584.159971620232
2002	3773.2022421146107
2003	4004.499676071747
2004	4304.525481644223
2005	4608.18022752151
2006	5003.80860399614
2007	5479.688611598427
2008	5821.198454775668
2009	5997.981124086253
2010	6440.405044922825
2011	6859.858904937972
2012	7206.37648884352
2013	7555.382664247312
2014	7894.695909810995
2015	8212.74329215127
2016	8526.980400896198
2017	8922.71621873181
2018	9355.683465039505
2019	9745.820101109897
2020	9732.041791541224
2021	10434.748653539607
2022	10756.391536937022
2023	11199.830376971415