$800
May 1997
$1400
March 2001
$1600
April 2001
$600
June 2004
$950
Dec 2004
$600
Jan 2006
$800
Mar 2006
$1000
Sep 2009
$800 |
$1400 |
$1600 |
$600 |
$950 |
$600 |
$800 |
$1000 |