| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q3 | 56,382 | -16,403 |
| 2019 | Q2 | 72,785 | +2,292 |
| 2019 | Q1 | 70,493 | +19,928 |
| 2018 | Q4 | 50,565 | -1,189 |
| 2018 | Q3 | 51,754 | +3 |
| 2018 | Q2 | 51,751 | +240 |
| 2018 | Q1 | 51,511 | +6,002 |
| 2017 | Q4 | 45,509 | -8,308 |
| 2017 | Q3 | 53,817 | -6,959 |
| 2017 | Q2 | 60,776 | -8,020 |
| 2017 | Q1 | 68,796 | +1,861 |
| 2016 | Q4 | 66,935 | -2,476 |
| 2016 | Q3 | 69,411 | +4,680 |
| 2016 | Q2 | 64,731 | +1,750 |
| 2016 | Q1 | 62,981 |