Year	current US$
1977	349999.99403953605
1980	879999.995231628
1981	600000.023841858
1982	600000.023841858
1983	860000.014305115
1984	779999.971389771
1985	860000.014305115
1986	529999.971389771
1987	629999.995231628
1988	509999.99046325695
1989	259999.990463257
1990	1690000.0572204601
1991	1409999.9666214
1992	1169999.95708466
1993	1230000.01907349
1994	1620000.00476837
1995	2809999.94277954
1996	3480000.01907349
1997	3059999.94277954
1998	970000.028610229
1999	1779999.97138977
2000	1039999.96185303
2001	2190000.05722046
2002	2180000.0667572
2003	1669999.95708466
2004	2859999.89509583
2005	2740000.00953674
2006	3099999.90463257
2007	1639999.98569489
2008	2069999.9332428002
2009	1409999.9666214
2010	2079999.9237060498
2011	2630000.1144409203
2012	2930982.11288452
2013	2311199.90348816
2014	2799105.88264465
2015	2109902.85873413
2016	2053060.29319763
2017	1819429.3975830101
2018	1833289.98088837
2019	2512914.8960113497
2020	2558880.0907135
2021	2918545.48454285
2022	3252789.97421265