| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q3 | 124,961 | +6,287 |
| 2019 | Q2 | 118,674 | +2,639 |
| 2019 | Q1 | 116,035 | -36,473 |
| 2018 | Q4 | 152,508 | -9,461 |
| 2018 | Q3 | 161,969 | -16,404 |
| 2018 | Q2 | 178,373 | +17,497 |
| 2018 | Q1 | 160,876 | +35,611 |
| 2017 | Q4 | 125,265 | -11,437 |
| 2017 | Q3 | 136,702 | -11,726 |
| 2017 | Q2 | 148,428 | -11,945 |
| 2017 | Q1 | 160,373 | -100,229 |
| 2016 | Q4 | 260,602 | -4,195 |
| 2016 | Q3 | 264,797 | -22,039 |
| 2016 | Q2 | 286,836 | +5,903 |
| 2016 | Q1 | 280,933 |