| Frequency | Number of dividends |
| Annually | 7 |
| Semi-annually | 3 |
| Quarterly | 0 |
| Monthly | 0 |
| Irregularly | 0 |
| 'none' | 0 |
Current frequency is semi-annually.
Dividend payment timing:
| Month | Number of dividends |
| January | 0 |
| February | 0 |
| March | 0 |
| April | 0 |
| May | 0 |
| June | 8 |
| July | 0 |
| August | 0 |
| September | 0 |
| October | 0 |
| November | 0 |
| December | 2 |
| Status | Number |
| Cancelled | 0 |
| Discontinued | 0 |
| Omitted | 0 |
| Year | Dividends paid | Increase from previous year | CAGR to 2012 from | Bumpiness to 2012 from |
| 2005 | $ 0.05000 | 24.360% | 38 | |
| 2006 | $ 0.06000 | 20.000% | 25.102% | 41 |
| 2007 | $ 0.07000 | 16.667% | 26.860% | 45 |
| 2008 | $ 0.09000 | 28.571% | 26.436% | 50 |
| 2009 | $ 0.09500 | 5.556% | 34.277% | 55 |
| 2010 | $ 0.10000 | 5.263% | 51.658% | 59 |
| 2011 | $ 0.22000 | 120.000% | 4.545% | 0 |
| 2012 | $ 0.23000 | 4.545% |
| Yield | Price |
| 0.5% | $ 46.00 |
| 1.0% | $ 23.00 |
| 1.5% | $ 15.33 |
| 2.0% | $ 11.50 |
| 2.5% | $ 9.20 |
| 3.0% | $ 7.67 |
| 3.5% | $ 6.57 |
| 4.0% | $ 5.75 |
| 4.5% | $ 5.11 |
| 5.0% | $ 4.60 |
| 5.5% | $ 4.18 |
| 6.0% | $ 3.83 |
| 6.5% | $ 3.54 |
| 7.0% | $ 3.29 |
| 7.5% | $ 3.07 |
| 8.0% | $ 2.88 |
| 8.5% | $ 2.71 |
| 9.0% | $ 2.56 |
| 9.5% | $ 2.42 |
| 10.0% | $ 2.30 |