| Frequency | Number of dividends |
| Annually | 0 |
| Semi-annually | 0 |
| Quarterly | 103 |
| Monthly | 0 |
| Irregularly | 0 |
| 'none' | 0 |
Dividend payment timing:
| Month | Number of dividends |
| January | 0 |
| February | 0 |
| March | 24 |
| April | 1 |
| May | 0 |
| June | 23 |
| July | 2 |
| August | 1 |
| September | 26 |
| October | 0 |
| November | 0 |
| December | 26 |
| Status | Number |
| Cancelled | 0 |
| Discontinued | 0 |
| Omitted | 0 |
| Year | Dividends paid | Increase from previous year | CAGR to 2012 from | Bumpiness to 2012 from |
| 1987 | $ 0.00154 | 30.353% | 27 | |
| 1988 | $ 0.00362 | 135.807% | 27.173% | 18 |
| 1989 | $ 0.00543 | 49.945% | 26.266% | 18 |
| 1990 | $ 0.00815 | 50.009% | 25.281% | 17 |
| 1991 | $ 0.01222 | 50.006% | 24.211% | 17 |
| 1992 | $ 0.01833 | 50.012% | 23.044% | 16 |
| 1993 | $ 0.02500 | 36.372% | 22.380% | 17 |
| 1994 | $ 0.03333 | 33.331% | 21.799% | 17 |
| 1995 | $ 0.04222 | 26.663% | 21.518% | 17 |
| 1996 | $ 0.05111 | 21.051% | 21.548% | 18 |
| 1997 | $ 0.06333 | 23.917% | 21.391% | 19 |
| 1998 | $ 0.07667 | 21.052% | 21.416% | 19 |
| 1999 | $ 0.11333 | 47.826% | 19.591% | 19 |
| 2000 | $ 0.16000 | 41.176% | 17.949% | 18 |
| 2001 | $ 0.17000 | 6.250% | 19.075% | 19 |
| 2002 | $ 0.21000 | 23.529% | 18.638% | 20 |
| 2003 | $ 0.26000 | 23.810% | 18.077% | 21 |
| 2004 | $ 0.32500 | 25.000% | 17.239% | 22 |
| 2005 | $ 0.40000 | 23.077% | 16.428% | 23 |
| 2006 | $ 0.67500 | 68.750% | 9.444% | 11 |
| 2007 | $ 0.90000 | 33.333% | 5.207% | 5 |
| 2008 | $ 0.90000 | NO CHANGE | 6.550% | 5 |
| 2009 | $ 0.90000 | NO CHANGE | 8.827% | 3 |
| 2010 | $ 0.94500 | 5.000% | 10.793% | 1 |
| 2011 | $ 1.04000 | 10.053% | 11.538% | 0 |
| 2012 | $ 1.16000 | 11.538% |
| Yield | Price |
| 0.5% | $232.00 |
| 1.0% | $116.00 |
| 1.5% | $ 77.33 |
| 2.0% | $ 58.00 |
| 2.5% | $ 46.40 |
| 3.0% | $ 38.67 |
| 3.5% | $ 33.14 |
| 4.0% | $ 29.00 |
| 4.5% | $ 25.78 |
| 5.0% | $ 23.20 |
| 5.5% | $ 21.09 |
| 6.0% | $ 19.33 |
| 6.5% | $ 17.85 |
| 7.0% | $ 16.57 |
| 7.5% | $ 15.47 |
| 8.0% | $ 14.50 |
| 8.5% | $ 13.65 |
| 9.0% | $ 12.89 |
| 9.5% | $ 12.21 |
| 10.0% | $ 11.60 |