| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q3 | 471,994 | -883,234 |
| 2014 | Q2 | 1,355,228 | -9,724,730 |
| 2014 | Q1 | 11,079,958 | |
| 2013 | Q4 | 11,079,958 | -2,449,312 |
| 2013 | Q3 | 13,529,270 | -10,594,641 |
| 2013 | Q2 | 24,123,911 | |
| 2013 | Q1 | 24,123,911 | |
| 2012 | Q4 | 24,123,911 | |
| 2012 | Q3 | 24,123,911 | -4,744,726 |
| 2012 | Q2 | 28,868,637 | -232,300 |
| 2012 | Q1 | 29,100,937 | |
| 2011 | Q4 | 29,100,937 | |
| 2011 | Q3 | 29,100,937 | -700 |
| 2011 | Q2 | 29,101,637 | |
| 2011 | Q1 | 29,101,637 | -8,000 |
| 2010 | Q4 | 29,109,637 | |
| 2010 | Q3 | 29,109,637 |