Quarterly Sales Estimates for HYGS
| 03-2007 | 10.5 | 8.6 | 9.466 | 0 | 4/25/2007 |
| 06-2007 | 9.1 | 9.1 | 9.1 | 0 | 7/11/2007 |
| 09-2007 | 12.7 | 12.7 | 12.7 | 0 | 8/13/2007 |
| 12-2007 | 11.8 | 11.8 | 11.8 | 0 | 11/9/2007 |
| 03-2008 | 8.25 | 8.25 | 8.25 | 0 | 4/7/2008 |
| 06-2008 | 9.15 | 9.15 | 9.15 | 0 | 5/6/2008 |
| 09-2008 | 10.42 | 10.42 | 10.42 | 0 | 11/4/2008 |
| 12-2008 | 12.72 | 9.7 | 11.21 | 2.135 | 11/7/2008 |
| 03-2009 | 14.02 | 14.02 | 14.02 | 0 | 11/6/2008 |
| 06-2009 | 5.77 | 5.77 | 5.77 | 0 | 5/14/2009 |
| 09-2009 | 6.7 | 6.7 | 6.7 | 0 | 5/14/2009 |
| 12-2009 | 7.99 | 7.99 | 7.99 | 0 | 5/14/2009 |
| 12-2012 | 12.5 | 12.5 | 12.5 | 0 | 2/11/2013 |
| 03-2013 | 10.5 | 10.5 | 10.5 | 0 | 3/8/2013 |
| 06-2013 | 11.8 | 11.8 | 11.8 | 0 | 3/8/2013 |
| 09-2013 | 14.5 | 14.5 | 14.5 | 0 | 3/8/2013 |
| 12-2013 | 19.9 | 19.9 | 19.9 | 0 | 3/8/2013 |