Year	current US$
1977	19999.9995529652
1980	9999.99977648258
1986	9999.99977648258
1987	50000.0007450581
1988	479999.989271164
1989	70000.0002980232
1990	150000.005960464
1991	70000.0002980232
1992	100000.00149011599
1993	189999.99761581398
1994	1379999.99523163
1995	1080000.04291534
1996	1059999.9427795399
1997	930000.007152557
1998	1179999.94754791
1999	1200000.04768372
2000	1740000.0095367401
2001	2079999.9237060498
2002	1669999.95708466
2003	2039999.96185303
2004	6960000.03814697
2005	4980000.01907349
2006	8000000
2007	7699999.80926514
2008	10350000.3814697
2009	4280000.20980835
2010	66779998.779296905
2011	24120000.8392334
2012	22239999.7711182
2013	14220000.2670288
2014	14170000.076293899
2015	8300000.19073486
2016	10390000.3433228
2017	10939999.5803833
2018	8800000.19073486
2019	2470000.02861023
2020	6940000.05722046
2021	5789999.96185303
2022	7539999.96185303