Year	current US$
1960	6700000
1961	8400000
1962	18500000
1963	22900000
1964	32799999.999999996
1965	38120000
1966	56900000
1967	59850000
1968	71380000
1969	120540000
1970	117020000
1971	158850000
1972	197770000
1973	275180000
1974	401730000
1975	565960000
1976	607600000
1977	779370000
1978	782620000
1979	987580000
1980	962340000
1981	919450000
1982	986950000
1983	753750000
1984	741200000
1985	839800000
1986	1089770000
1987	1375000000
1988	1533560000
1989	1799310000
1990	2006990000
1991	2116429999.9999998
1992	2459530000
1993	1768520000
1994	1819190000
1995	1703960000
1996	1999000000
1997	1730590000
1998	1572720000
1999	1629880000
2000	1798950000
2001	1665600000
2002	2011560000
2003	2400110000
2004	2722010000
2005	3361680000
2006	3954960000
2007	4338940000
2008	4731750000
2009	4548230000
2010	4533490000
2011	5603120000
2012	5239790000
2013	5827290000
2014	6232720000
2015	7089300000
2016	4893740000
2017	5563250000
2018	6000040000
2019	5204710000
2020	6348350000
2021	5934170000
2022	5457970000