Year	current US$
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	3556304832.6810384
1999	3647802049.809107
2000	3420032041.073849
2001	3297734891.146612
2002	3740056747.719794
2003	4915353827.105759
2004	5895008977.953097
2005	6238629487.013308
2006	6979155387.867922
2007	8819917180.342648
2008	9067619760.070732
2009	8704438102.201416
2010	9364350076.912247
2011	10351448004.767365
2012	9659151917.404844
2013	10151382933.159395
2014	10635035594.752802
2015	8738203074.395699
2016	8724568954.897991
2017	9174048681.98577
2018	9896402283.685873
2019	9475655324.594954
2020	9454629467.914082
2021	10071349663.848383
2022	9623318718.314594