| Yearly High
Lows |
| Year |
High |
Low |
| 1998 |
46.40 |
42.50 |
| 1999 |
76.60 |
25.50 |
| 2000 |
285.00 |
65.00 |
| 2001 |
213.80 |
66.50 |
| 2002 |
164.50 |
86.00 |
| 2003 |
309.95 |
119.10 |
| 2004 |
379.90 |
218.00 |
| 2005 |
615.90 |
330.05 |
| 2006 |
925.00 |
440.00 |
| 2007 |
1,348.00 |
412.00 |
| 2008 |
1,465.00 |
282.15 |
| 2009 |
983.70 |
252.75 |
| 2010 |
1,023.00 |
773.00 |
|