| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2017 | Q2 | 32,979 | -7,704 |
| 2017 | Q1 | 40,683 | +13,012 |
| 2016 | Q4 | 27,671 | -11,204 |
| 2016 | Q3 | 38,875 | +8,768 |
| 2016 | Q2 | 30,107 | +6,071 |
| 2016 | Q1 | 24,036 | -40,635 |
| 2015 | Q4 | 64,671 | +21,432 |
| 2015 | Q3 | 43,239 | +6,534 |
| 2015 | Q2 | 36,705 | -1,144 |
| 2015 | Q1 | 37,849 | +16,277 |
| 2014 | Q4 | 21,572 | +1,687 |
| 2014 | Q3 | 19,885 |