| Frequency | Number of dividends |
| Annually | 0 |
| Semi-annually | 0 |
| Quarterly | 56 |
| Monthly | 0 |
| Irregularly | 0 |
| 'none' | 0 |
Dividend payment timing:
| Month | Number of dividends |
| January | 0 |
| February | 0 |
| March | 14 |
| April | 0 |
| May | 0 |
| June | 14 |
| July | 0 |
| August | 0 |
| September | 14 |
| October | 0 |
| November | 0 |
| December | 14 |
| Status | Number |
| Cancelled | 0 |
| Discontinued | 0 |
| Omitted | 0 |
| Year | Dividends paid | Increase from previous year | CAGR to 2012 from | Bumpiness to 2012 from |
| 1999 | $ 0.06667 | 24.899% | 20 | |
| 2000 | $ 0.08000 | 19.998% | 25.316% | 20 |
| 2001 | $ 0.10000 | 25.001% | 25.345% | 21 |
| 2002 | $ 0.12667 | 26.665% | 25.214% | 22 |
| 2003 | $ 0.15333 | 21.053% | 25.685% | 24 |
| 2004 | $ 0.18000 | 17.392% | 26.762% | 25 |
| 2005 | $ 0.20000 | 11.110% | 29.171% | 25 |
| 2006 | $ 0.23000 | 15.000% | 31.697% | 27 |
| 2007 | $ 0.42000 | 82.609% | 23.363% | 16 |
| 2008 | $ 0.66000 | 57.143% | 16.121% | 2 |
| 2009 | $ 0.78000 | 18.182% | 15.442% | 1 |
| 2010 | $ 0.89000 | 14.103% | 16.117% | 1 |
| 2011 | $ 1.04000 | 16.854% | 15.385% | 0 |
| 2012 | $ 1.20000 | 15.385% |
| Yield | Price |
| 0.5% | $240.00 |
| 1.0% | $120.00 |
| 1.5% | $ 80.00 |
| 2.0% | $ 60.00 |
| 2.5% | $ 48.00 |
| 3.0% | $ 40.00 |
| 3.5% | $ 34.29 |
| 4.0% | $ 30.00 |
| 4.5% | $ 26.67 |
| 5.0% | $ 24.00 |
| 5.5% | $ 21.82 |
| 6.0% | $ 20.00 |
| 6.5% | $ 18.46 |
| 7.0% | $ 17.14 |
| 7.5% | $ 16.00 |
| 8.0% | $ 15.00 |
| 8.5% | $ 14.12 |
| 9.0% | $ 13.33 |
| 9.5% | $ 12.63 |
| 10.0% | $ 12.00 |