| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2018 | Q2 | 6,515,000 | -9,200,000 |
| 2018 | Q1 | 15,715,000 | -2,000,000 |
| 2017 | Q4 | 17,715,000 | +10,000 |
| 2017 | Q3 | 17,705,000 | +1,200,000 |
| 2017 | Q2 | 16,505,000 | +7,000,000 |
| 2017 | Q1 | 9,505,000 | |
| 2016 | Q4 | 9,505,000 | |
| 2016 | Q3 | 9,505,000 | -2,000,000 |
| 2016 | Q2 | 11,505,000 |