| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2015 | Q2 | 124,819 | -13,399 |
| 2015 | Q1 | 138,218 | +35,812 |
| 2014 | Q4 | 102,406 | +8,602 |
| 2014 | Q3 | 93,804 | -3,090 |
| 2014 | Q2 | 96,894 | +5,613 |
| 2014 | Q1 | 91,281 | +12,005 |
| 2013 | Q4 | 79,276 | -2,504 |
| 2013 | Q3 | 81,780 | -8,786 |
| 2013 | Q2 | 90,566 | +10,015 |
| 2013 | Q1 | 80,551 | +19,652 |
| 2012 | Q4 | 60,899 | +19,497 |
| 2012 | Q3 | 41,402 |