| Date | Amount |
|---|---|
| 06/17/2016 | 5.50 |
| 02/01/2016 | 5.50 |
| 06/15/2015 | 5.81 |
| 02/12/2015 | 5.81 |
| 06/04/2014 | 8.22 |
| 01/27/2014 | 8.22 |
| 06/06/2013 | 9.64 |
| 02/04/2013 | 9.64 |
| 01/30/2012 | 41.06 |
| 02/03/2011 | 24.42 |
| 01/25/2010 | 23.46 |
| 02/12/2009 | 19.76 |
| 01/25/2008 | 20.70 |
| 01/12/2007 | 29.66 |
| 02/06/2006 | 29.64 |
| 02/07/2005 | 20.30 |
| 02/11/2004 | 20.12 |
| 01/30/2003 | 17.04 |
| 02/14/2002 | 14.72 |
| 01/26/2001 | 14.84 |