Year	current US$
1991	280000.001192093
1992	170000.00178813902
1993	79999.9982118607
1994	409999.99642372096
1995	699999.988079071
1996	460000.00834465
1997	140000.000596046
1998	19999.9995529652
1999	39999.9991059303
2000	100000.00149011599
2001	70000.0002980232
2002	70000.0002980232
2003	59999.9986588955
2011	29999.999329447703
2012	-15.8200000441866
2013	37363.0002140999
2014	26831.0997635126
2015	84494.5982098579
2017	-336.489989422262
2018	4902.999848127371