| Date | Amount |
|---|---|
| 06/17/2016 | 5.79 |
| 02/01/2016 | 5.79 |
| 06/15/2015 | 8.42 |
| 02/12/2015 | 8.42 |
| 06/04/2014 | 13.04 |
| 01/27/2014 | 13.04 |
| 06/06/2013 | 17.01 |
| 02/04/2013 | 17.01 |
| 01/30/2012 | 51.18 |
| 02/03/2011 | 42.74 |
| 01/25/2010 | 35.18 |
| 02/02/2009 | 19.76 |
| 01/25/2008 | 27.58 |
| 01/12/2007 | 50.14 |
| 02/06/2006 | 45.82 |
| 02/07/2005 | 34.28 |
| 02/11/2004 | 30.44 |
| 01/30/2003 | 22.12 |
| 02/14/2002 | 25.30 |
| 01/26/2001 | 22.26 |