| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2016 | Q2 | 122,092 | -7,858 |
| 2016 | Q1 | 129,950 | -33,003 |
| 2015 | Q4 | 162,953 | -28,439 |
| 2015 | Q3 | 191,392 | +3,857 |
| 2015 | Q2 | 187,535 | +48,056 |
| 2015 | Q1 | 139,479 | -11,073 |
| 2014 | Q4 | 150,552 | +32,053 |
| 2014 | Q3 | 118,499 | -5,903 |
| 2014 | Q2 | 124,402 | +35,983 |
| 2014 | Q1 | 88,419 | -26,735 |
| 2013 | Q4 | 115,154 | +2,856 |
| 2013 | Q3 | 112,298 | -25,290 |
| 2013 | Q2 | 137,588 | -8,789 |
| 2013 | Q1 | 146,377 |