| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q4 | 289,544 | +24,350 |
| 2015 | Q3 | 265,194 | -32,421 |
| 2015 | Q2 | 297,615 | +54,250 |
| 2015 | Q1 | 243,365 | -3,503 |
| 2014 | Q4 | 246,868 | +29,062 |
| 2014 | Q3 | 217,806 | -3,539 |
| 2014 | Q2 | 221,345 | -280,943 |
| 2014 | Q1 | 502,288 | +190,180 |
| 2013 | Q4 | 312,108 | +38,695 |
| 2013 | Q3 | 273,413 |