| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2017 | Q1 | 9,688 | |
| 2016 | Q4 | 9,688 | -8,343 |
| 2016 | Q3 | 18,031 | +66 |
| 2016 | Q2 | 17,965 | +4,313 |
| 2016 | Q1 | 13,652 | +78 |
| 2015 | Q4 | 13,574 | -716 |
| 2015 | Q3 | 14,290 | +1,825 |
| 2015 | Q2 | 12,465 | +828 |
| 2015 | Q1 | 11,637 | -832 |
| 2014 | Q4 | 12,469 | -785 |
| 2014 | Q3 | 13,254 | +1,232 |
| 2014 | Q2 | 12,022 | +3,862 |
| 2014 | Q1 | 8,160 | +1,694 |
| 2013 | Q4 | 6,466 | -348 |
| 2013 | Q3 | 6,814 | +3,614 |
| 2013 | Q2 | 3,200 |