| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q2 | 94,880 | +15,991 |
| 2015 | Q1 | 78,889 | -4,449 |
| 2014 | Q4 | 83,338 | -5,258 |
| 2014 | Q3 | 88,596 | +13,483 |
| 2014 | Q2 | 75,113 | +21,565 |
| 2014 | Q1 | 53,548 | +7,840 |
| 2013 | Q4 | 45,708 | +13,676 |
| 2013 | Q3 | 32,032 | +11,649 |
| 2013 | Q2 | 20,383 | -2,771 |
| 2013 | Q1 | 23,154 | +2,908 |
| 2012 | Q4 | 20,246 | -540 |
| 2012 | Q3 | 20,786 |