| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q4 | 124,200 | +8,000 |
| 2015 | Q3 | 116,200 | +15,000 |
| 2015 | Q2 | 101,200 | -38,171 |
| 2015 | Q1 | 139,371 | +78,956 |
| 2014 | Q4 | 60,415 | +54,923 |
| 2014 | Q3 | 5,492 | +320 |
| 2014 | Q2 | 5,172 | +2,952 |
| 2014 | Q1 | 2,220 | +72 |
| 2013 | Q4 | 2,148 | +1,560 |
| 2013 | Q3 | 588 | +33 |
| 2013 | Q2 | 555 | -371 |
| 2013 | Q1 | 926 | -1,010 |
| 2012 | Q4 | 1,936 | +106 |
| 2012 | Q3 | 1,830 | +556 |
| 2012 | Q2 | 1,274 | -1,022 |
| 2012 | Q1 | 2,296 | -2,963 |
| 2011 | Q4 | 5,259 |