| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q2 | 31,353,468 | |
| 2015 | Q1 | 31,353,468 | |
| 2014 | Q4 | 31,353,468 | +1,353,468 |
| 2014 | Q3 | 30,000,000 | +6,532,005 |
| 2014 | Q2 | 23,467,995 | -11,046,705 |
| 2014 | Q1 | 34,514,700 | -2,000,000 |
| 2013 | Q4 | 36,514,700 | |
| 2013 | Q3 | 36,514,700 | -760,700 |
| 2013 | Q2 | 37,275,400 | |
| 2013 | Q1 | 37,275,400 | +3,237,900 |
| 2012 | Q4 | 34,037,500 | +4,481,900 |
| 2012 | Q3 | 29,555,600 | +1,134,900 |
| 2012 | Q2 | 28,420,700 | +5,421,100 |
| 2012 | Q1 | 22,999,600 | +2,651,200 |
| 2011 | Q4 | 20,348,400 | +16,099,000 |
| 2011 | Q3 | 4,249,400 |