Year	current US$
1977	109999.999403954
1980	319999.99284744303
1981	219999.998807907
1982	330000.013113022
1983	519999.980926514
1984	379999.99523162795
1985	349999.99403953605
1986	540000.021457672
1987	419999.986886978
1988	540000.021457672
1989	860000.014305115
1990	959999.978542328
1991	680000.007152557
1992	330000.013113022
1993	689999.997615814
1994	1000000
1995	1009999.99046326
1996	1269999.98092651
1997	1870000.00476837
1998	959999.978542328
1999	670000.016689301
2000	1509999.9904632599
2001	1340000.0333786
2002	2289999.96185303
2003	2400000.09536743
2004	2700000.04768372
2005	2779999.97138977
2006	2940000.05722046
2007	2250000
2008	2119999.8855590797
2009	4449999.80926514
2010	4099999.90463257
2011	3609999.89509583
2012	2878715.03829956
2013	3900538.9213562
2014	3262549.63874817
2015	3064885.61630249
2016	2906291.24641418
2017	3091445.4460143996
2018	2704960.10780334
2019	3979661.2262725797
2020	3513859.9872589097
2021	3691885.47134399
2022	4336209.77401733