Year	current US$
1977	159999.99642372102
1980	600000.023841858
1981	750000
1982	419999.986886978
1983	379999.99523162795
1984	419999.986886978
1985	529999.971389771
1986	490000.009536743
1987	579999.983310699
1988	610000.014305115
1989	90000.0035762787
1990	230000.004172325
1991	349999.99403953605
1992	479999.989271164
1993	340000.00357627904
1994	289999.99165535
1995	469999.998807907
1996	479999.989271164
1997	270000.010728836
1998	629999.995231628
1999	200000.00298023198
2000	219999.998807907
2001	500000
2002	1059999.9427795399
2003	1379999.99523163
2004	1789999.96185303
2005	1620000.00476837
2006	1600000.02384186
2007	2000000
2008	3140000.10490417
2009	2819999.9332428
2010	2589999.91416931
2011	2250000
2012	2434227.94342041
2013	2797739.98260498
2014	2574122.9057312
2015	2359202.62336731
2016	1829681.8733215302
2017	1458772.42088318
2018	1462329.98371124
2019	2223368.1678772
2020	2546210.0505828904
2021	2235169.17228699
2022	3290930.0327300997