| Frequency | Number of dividends |
| Annually | 0 |
| Semi-annually | 0 |
| Quarterly | 76 |
| Monthly | 0 |
| Irregularly | 0 |
| 'none' | 0 |
Dividend payment timing:
| Month | Number of dividends |
| January | 0 |
| February | 0 |
| March | 19 |
| April | 0 |
| May | 0 |
| June | 19 |
| July | 0 |
| August | 0 |
| September | 19 |
| October | 0 |
| November | 0 |
| December | 19 |
| Status | Number |
| Cancelled | 0 |
| Discontinued | 0 |
| Omitted | 0 |
| Year | Dividends paid | Increase from previous year | CAGR to 2012 from | Bumpiness to 2012 from |
| 1994 | $ 0.06625 | 11.883% | 13 | |
| 1995 | $ 0.07125 | 7.547% | 12.144% | 14 |
| 1996 | $ 0.08000 | 12.281% | 12.135% | 14 |
| 1997 | $ 0.08500 | 6.250% | 12.539% | 15 |
| 1998 | $ 0.08500 | NO CHANGE | 13.493% | 15 |
| 1999 | $ 0.08500 | NO CHANGE | 14.603% | 15 |
| 2000 | $ 0.08500 | NO CHANGE | 15.912% | 14 |
| 2001 | $ 0.08500 | NO CHANGE | 17.479% | 14 |
| 2002 | $ 0.08500 | NO CHANGE | 19.386% | 14 |
| 2003 | $ 0.09625 | 13.235% | 20.090% | 14 |
| 2004 | $ 0.11500 | 19.481% | 20.167% | 15 |
| 2005 | $ 0.12000 | 4.348% | 22.614% | 14 |
| 2006 | $ 0.15000 | 25.000% | 22.221% | 16 |
| 2007 | $ 0.19000 | 26.667% | 21.351% | 17 |
| 2008 | $ 0.20000 | 5.263% | 25.743% | 16 |
| 2009 | $ 0.30000 | 50.000% | 18.563% | 11 |
| 2010 | $ 0.40000 | 33.333% | 11.803% | 4 |
| 2011 | $ 0.43000 | 7.500% | 16.279% | 0 |
| 2012 | $ 0.50000 | 16.279% |
| Yield | Price |
| 0.5% | $100.00 |
| 1.0% | $ 50.00 |
| 1.5% | $ 33.33 |
| 2.0% | $ 25.00 |
| 2.5% | $ 20.00 |
| 3.0% | $ 16.67 |
| 3.5% | $ 14.29 |
| 4.0% | $ 12.50 |
| 4.5% | $ 11.11 |
| 5.0% | $ 10.00 |
| 5.5% | $ 9.09 |
| 6.0% | $ 8.33 |
| 6.5% | $ 7.69 |
| 7.0% | $ 7.14 |
| 7.5% | $ 6.67 |
| 8.0% | $ 6.25 |
| 8.5% | $ 5.88 |
| 9.0% | $ 5.56 |
| 9.5% | $ 5.26 |
| 10.0% | $ 5.00 |