| Date | Amount |
|---|---|
| 02/14/2018 | 16.06 |
| 02/15/2017 | 15.96 |
| 02/16/2016 | 16.22 |
| 02/06/2015 | 16.16 |
| 04/10/2014 | -16.04 |
| 04/07/2014 | 16.04 |
| 02/19/2014 | 16.04 |
| 02/07/2013 | 16.46 |
| 02/08/2012 | 19.90 |
| 02/04/2011 | 20.64 |
| 02/19/2010 | 20.86 |
| 02/27/2009 | 20.84 |
| 11/24/2008 | 55.76 |
| 05/21/2007 | 51.07 |
| 07/25/2006 | 50.63 |
| 07/28/2005 | 49.94 |
| 03/16/2004 | 122.32 |