| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q3 | 351,246 | -13,677 |
| 2015 | Q2 | 364,923 | +5,869 |
| 2015 | Q1 | 359,054 | +18,427 |
| 2014 | Q4 | 340,627 | -17,510 |
| 2014 | Q3 | 358,137 | +8,786 |
| 2014 | Q2 | 349,351 | +82,959 |
| 2014 | Q1 | 266,392 | +4,966 |
| 2013 | Q4 | 261,426 | +4,975 |
| 2013 | Q3 | 256,451 | +7,391 |
| 2013 | Q2 | 249,060 | -10,319 |
| 2013 | Q1 | 259,379 | +45,994 |
| 2012 | Q4 | 213,385 | +52,094 |
| 2012 | Q3 | 161,291 |