| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2014 | Q4 | 168,606 | +4,254 |
| 2014 | Q3 | 164,352 | -1,950 |
| 2014 | Q2 | 166,302 | -28,400 |
| 2014 | Q1 | 194,702 | -4,439 |
| 2013 | Q4 | 199,141 | +42,447 |
| 2013 | Q3 | 156,694 | +1,638 |
| 2013 | Q2 | 155,056 | +69,580 |
| 2013 | Q1 | 85,476 | +4,298 |
| 2012 | Q4 | 81,178 | +20,798 |
| 2012 | Q3 | 60,380 | -1,367 |
| 2012 | Q2 | 61,747 | -259 |
| 2012 | Q1 | 62,006 | +24,689 |
| 2011 | Q4 | 37,317 |