| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 41,360 | -4,962 |
| 2018 | Q3 | 46,322 | +9,670 |
| 2018 | Q2 | 36,652 | +489 |
| 2018 | Q1 | 36,163 | -7,493 |
| 2017 | Q4 | 43,656 | +2,405 |
| 2017 | Q3 | 41,251 | +7,214 |
| 2017 | Q2 | 34,037 | +4,972 |
| 2017 | Q1 | 29,065 | +1,035 |
| 2016 | Q4 | 28,030 | -17,318 |
| 2016 | Q3 | 45,348 | +4,688 |
| 2016 | Q2 | 40,660 | +6,337 |
| 2016 | Q1 | 34,323 | +12,442 |
| 2015 | Q4 | 21,881 | +2,581 |
| 2015 | Q3 | 19,300 | +1,509 |
| 2015 | Q2 | 17,791 | +2,101 |
| 2015 | Q1 | 15,690 | +1,772 |
| 2014 | Q4 | 13,918 | +2,584 |
| 2014 | Q3 | 11,334 | +574 |
| 2014 | Q2 | 10,760 |