Year	current US$
1977	389999.98569488496
1980	699999.988079071
1981	639999.985694885
1982	460000.00834465
1983	750000
1984	360000.01430511504
1985	379999.99523162795
1986	239999.994635582
1987	289999.99165535
1988	370000.00476837205
1989	250000
1990	259999.990463257
1991	270000.010728836
1992	200000.00298023198
1993	189999.99761581398
1994	9999.99977648258
1995	9999.99977648258
1997	9999.99977648258
1998	340000.00357627904
1999	509999.99046325695
2000	750000
2001	769999.980926514
2002	9029999.73297119
2003	6019999.98092651
2004	1360000.01430511
2005	3170000.07629395
2006	3710000.03814697
2007	4650000.09536743
2008	4199999.80926514
2009	5039999.96185303
2010	5820000.17166138
2011	6309999.94277954
2012	6070930.00411987
2013	6346146.10671997
2014	6080415.24887085
2015	6240921.02050781
2016	5068171.02432251
2017	3560384.75036621
2018	3600189.92424011
2019	5100243.56842041
2020	5396329.87976074
2021	6956131.93511963
2022	6998700.14190674