| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2019 | Q2 | 71,235 | +1,694 |
| 2019 | Q1 | 69,541 | -38,827 |
| 2018 | Q4 | 108,368 | +22,397 |
| 2018 | Q3 | 85,971 | -61,846 |
| 2018 | Q2 | 147,817 | +18,353 |
| 2018 | Q1 | 129,464 | -13,533 |
| 2017 | Q4 | 142,997 | -10,440 |
| 2017 | Q3 | 153,437 | +57,439 |
| 2017 | Q2 | 95,998 | -29,692 |
| 2017 | Q1 | 125,690 | +72,884 |
| 2016 | Q4 | 52,806 | -8,637 |
| 2016 | Q3 | 61,443 | +5,691 |
| 2016 | Q2 | 55,752 | +11,031 |
| 2016 | Q1 | 44,721 | -2,848 |
| 2015 | Q4 | 47,569 | +8,923 |
| 2015 | Q3 | 38,646 | +7,493 |
| 2015 | Q2 | 31,153 | +3,889 |
| 2015 | Q1 | 27,264 | +2,196 |
| 2014 | Q4 | 25,068 | -7,035 |
| 2014 | Q3 | 32,103 |