Year	current US$
1960	26610000.109300017
1961	129540000.01400709
1962	55040000.380948186
1963	25210000.257939104
1964	409999.9666214017
1965	17209999.76806343
1966	6459999.684244396
1967	27250000.292435285
1968	4159999.946132308
1969	12400000.28349464
1970	16180000.461637974
1971	2220000.2670288086
1972	2759999.908506866
1973	-9610000.010579824
1974	1389999.9633431341
1975	-16679999.86931682
1976	-16359999.96215105
1977	25759999.256581023
1978	93649996.77240849
1979	4129999.7884780522
1980	30810000.358149376
1981	6489999.979734412
1982	2359999.5374679607
1983	39690001.07608731
1984	1989999.875426291
1985	980000.0675022597
1986	13360000.193119055
1987	46910000.395029746
1988	52089998.33092092
1989	59979999.24048783
1990	36669998.04414797
1991	83529999.96952702
1992	64729997.063055605
1993	93880000.34540892
1994	99409999.90701678
1995	162939998.8800287
1996	143039998.44565994
1997	171429997.9694188
1998	143839999.5509535
1999	139150001.58734617
2000	113119997.24246567
2001	92429998.75172967
2002	84980000.17181036
2003	107750000.18626453
2004	149659998.21759766
2005	82599999.95306136
2006	91530000.19863245
2007	82270001.26242635
2008	65910002.01553107
2009	67929999.02553852
2010	77039998.61516054
2011	72579999.00355935
2012	112430001.16385522
2013	98989998.22884807
2014	53200000.14826658
2015	92399999.80665736
2016	88870000.93050306
2017	124859997.25945291
2018	147610001.74656513
2019	175130001.9025802
2020	203530001.03309703
2021	256100001.0110434
2022	254529999.39210695