Year	constant 2015 US$
1970	72743.90605656775
1971	75489.4643390683
1972	78112.89382708441
1973	82525.96645385092
1974	85672.60578469659
1975	83968.45908909371
1976	86406.72874224723
1977	88304.03203169141
1978	90720.03318502137
1979	92942.68899153241
1980	93664.49369435912
1981	93807.79572274067
1982	95082.42618146143
1983	94802.08847058711
1984	94780.20159050437
1985	95061.1510700947
1986	96177.12060528257
1987	97467.44306394564
1988	100916.47134389746
1989	104153.70904517702
1990	106022.21245542992
1991	106275.01682337413
1992	106922.79866579744
1993	105160.17110552601
1994	106702.51378889315
1995	108168.98123274521
1996	108553.24859393122
1997	110117.41279309265
1998	113122.31266977168
1999	116188.60480320096
2000	120467.8085331959
2001	123183.00483133829
2002	124670.34564747645
2003	126299.16800132267
2004	129740.54867286382
2005	132564.73608915645
2006	140815.15240815602
2007	162098.94345397272
2008	163097.96673368834
2009	142205.9955396847
2010	141743.74223702776
2011	148269.83344010342
2012	146511.94880286907
2013	157257.8940156047
2014	165362.50961577424
2015	170338.6803814984
2016	173916.31578304485
2017	168744.9942452762
2018	178571.3479574638
2019	191194.56218550453
2020	166822.5717551272
2021	204610.12044089532
2022	228667.93528255887