Year	current US$
1988	500000
1989	490000.009536743
1990	620000.004768372
1991	409999.99642372096
1992	689999.997615814
1993	159999.99642372102
1994	259999.990463257
1995	119999.997317791
1996	540000.021457672
1997	1059999.9427795399
1998	239999.994635582
1999	259999.990463257
2000	219999.998807907
2001	90000.0035762787
2002	600000.023841858
2003	829999.983310699
2004	519999.980926514
2005	649999.976158142
2006	629999.995231628
2007	699999.988079071
2008	1009999.99046326
2009	1230000.01907349
2010	129999.995231628
2011	100000.00149011599
2012	100000.00149011599
2014	29999.999329447703
2016	29999.999329447703
2017	29999.999329447703
2018	29999.999329447703
2019	29999.999329447703