| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q3 | 159,840 | +8,041 |
| 2019 | Q2 | 151,799 | +3,376 |
| 2019 | Q1 | 148,423 | +35,348 |
| 2018 | Q4 | 113,075 | -7,014 |
| 2018 | Q3 | 120,089 | -12,163 |
| 2018 | Q2 | 132,252 | +12,974 |
| 2018 | Q1 | 119,278 | -17,181 |
| 2017 | Q4 | 136,459 | -12,462 |
| 2017 | Q3 | 148,921 | -12,774 |
| 2017 | Q2 | 161,695 | -13,012 |
| 2017 | Q1 | 174,707 | -44,503 |
| 2016 | Q4 | 219,210 | -2,446 |
| 2016 | Q3 | 221,656 | -12,472 |
| 2016 | Q2 | 234,128 | +6,917 |
| 2016 | Q1 | 227,211 |