| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q3 | 73,421 | +3,694 |
| 2019 | Q2 | 69,727 | +1,551 |
| 2019 | Q1 | 68,176 | -63,792 |
| 2018 | Q4 | 131,968 | -8,187 |
| 2018 | Q3 | 140,155 | -14,194 |
| 2018 | Q2 | 154,349 | +15,140 |
| 2018 | Q1 | 139,209 | -5,589 |
| 2017 | Q4 | 144,798 | -13,219 |
| 2017 | Q3 | 158,017 | -13,556 |
| 2017 | Q2 | 171,573 | -13,806 |
| 2017 | Q1 | 185,379 | -36,628 |
| 2016 | Q4 | 222,007 | -2,052 |
| 2016 | Q3 | 224,059 | -12,155 |
| 2016 | Q2 | 236,214 | +7,398 |
| 2016 | Q1 | 228,816 |