| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q3 | 281,526 | +14,165 |
| 2019 | Q2 | 267,361 | +5,945 |
| 2019 | Q1 | 261,416 | +124,599 |
| 2018 | Q4 | 136,817 | -8,488 |
| 2018 | Q3 | 145,305 | -14,715 |
| 2018 | Q2 | 160,020 | +15,696 |
| 2018 | Q1 | 144,324 | -1,462 |
| 2017 | Q4 | 145,786 | -13,312 |
| 2017 | Q3 | 159,098 | -13,647 |
| 2017 | Q2 | 172,745 | -13,900 |
| 2017 | Q1 | 186,645 | -69,721 |
| 2016 | Q4 | 256,366 | -1,346 |
| 2016 | Q3 | 257,712 | -12,627 |
| 2016 | Q2 | 270,339 | +10,279 |
| 2016 | Q1 | 260,060 |