Year	current USD
1965	2700000
1966	2800000
1967	3050000
1968	3050000
1969	3050000
1970	3550000
1971	4050000
1972	4050000
1973	3750000
1974	4550000
1975	5500000
1976	6400000
1977	7750000
1978	8900000
1979	9400000
1980	12750000
1981	26350000
1982	43350000
1983	38750000
1984	24950000
1985	25150000
1986	24350000
1987	22250000
1988	25000000
1991	25000000
1992	22650000
1993	30450000
1994	39300000
2004	4525000
2005	6467000
2006	3900500
2007	2882000
2008	4895000
2009	6739500
2010	8982000
2011	12540500
2012	15179000
2013	15111500
2014	14531000
2015	14799000
2016	14712000
2017	13335500
2018	13229000
2019	12901000
2020	12901000
2021	14743000
2022	18696000