Year	current US$
1960	103537003.33091962
1961	117506797.70511892
1962	100863344.06505877
1963	112850230.000557
1964	164206525.03759816
1965	159594492.46365508
1966	164206536.44516236
1967	180036767.6488609
1968	215507162.56892997
1969	263108841.33841592
1970	358815684.07189184
1971	413985778.5896558
1972	506808996.69466096
1973	542293399.8626184
1974	637403478.4924859
1975	816652164.4002408
1976	798313521.6898026
1977	837620126.5585284
1978	846004687.7580928
1979	1047225723.5738628
1980	1182463951.2181408
1981	972564154.8151307
1982	904599869.7258327
1983	823857893.1631225
1984	796066194.7385732
1985	854820893.5771364
1986	1201321513.7666707
1987	1488093101.5027547
1988	2072775508.1479635
1989	2185082938.930778
1990	2529440424.1664762
1991	2653780672.0955467
1992	2923883281.085792
1993	2822243780.9754252
1994	3038728384.866342
1995	3628440505.141931
1996	3606968435.9991674
1997	3291131281.040994
1998	3158399672.4188833
1999	3055992144.250756
2000	2687308213.421629
2001	3551731897.146209
2002	4011141653.824583
2003	5254336903.659325
2004	6308504445.12318
2005	6721317752.967475
2006	7402023850.629451
2007	9219484334.57848
2008	9536420117.060017
2009	9187512764.333248
2010	9769099063.430567
2011	10746989206.242441
2012	9952372303.778889
2013	10477490867.829918
2014	11145232413.910995
2015	9232789689.98738
2016	9230967084.67858
2017	9718047504.021421
2018	10273712517.15368
2019	9835664554.070877
2020	9840168247.327911
2021	10450016550.815912