Year	US Dollars
1992	0.00219
1994	23.57254
1995	11.53239
1996	29.25327
1997	8.89983
1998	8.68906
1999	10.74104
2000	14.66105
2001	26.07891
2002	30.35675
2003	27.97788
2004	27.79817
2005	28.64405
2006	45.58171
2007	37.79624
2008	55.93422
2009	39.21554
2010	30.62559