| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q4 | 81,000 | |
| 2018 | Q3 | 81,000 | |
| 2018 | Q2 | 81,000 | |
| 2018 | Q1 | 81,000 | |
| 2017 | Q4 | 81,000 | |
| 2017 | Q3 | 81,000 | +10,560 |
| 2017 | Q2 | 70,440 | |
| 2017 | Q1 | 70,440 | +440 |
| 2016 | Q4 | 70,000 | |
| 2016 | Q3 | 70,000 | |
| 2016 | Q2 | 70,000 | |
| 2016 | Q1 | 70,000 | |
| 2015 | Q4 | 70,000 | |
| 2015 | Q3 | 70,000 | |
| 2015 | Q2 | 70,000 | +40,000 |
| 2015 | Q1 | 30,000 | +3,000 |
| 2014 | Q4 | 27,000 |