Year	current US$
1980	29999.999329447703
1981	50000.0007450581
2000	2759999.99046326
2001	3609999.89509583
2002	1899999.97615814
2003	1970000.02861023
2004	1870000.00476837
2005	1779999.97138977
2006	2390000.10490417
2007	560000.002384186
2008	620000.004768372
2009	519999.980926514
2010	730000.019073486
2011	670000.016689301
2012	870000.004768372
2013	730000.019073486
2014	829999.983310699
2015	430000.00715255697
2016	100000.00149011599
2017	239999.994635582
2019	79999.9982118607