Year	current US$
1980	259999.990463257
1981	680000.007152557
1982	1360000.01430511
1983	1970000.02861023
1984	1909999.9666214
1985	460000.00834465
1986	370000.00476837205
1987	400000.00596046395
1988	1419999.95708466
1989	1809999.9427795399
1990	2430000.0667572
1991	1740000.0095367401
1992	1509999.9904632599
1993	2750000
1994	4150000.09536743
1995	4889999.8664856
1996	3069999.9332428
1997	5789999.96185303
1998	1820000.05245209
1999	870000.004768372
2000	2960000.03814697
2001	3329999.92370605
2002	3799999.95231628
2003	4539999.96185303
2004	4599999.90463257
2005	3730000.01907349
2006	4269999.98092651
2007	3440000.05722046
2008	5429999.82833862
2009	6099999.90463257
2010	5039999.96185303
2011	6059999.94277954
2012	5661562.9196167
2013	5716928.0052185105
2014	6527814.8651123
2015	7131953.23944092
2016	6444245.33843994
2017	4796517.37213135
2018	4402910.23254395
2019	5043574.81002808
2020	5166850.09002686
2021	6244629.38308716
2022	6183090.20996094