| Year | Dividends paid | Increase from previous year | CAGR to 2012 from | Bumpiness to 2012 from |
| 1988 | $ 0.01129 | | 13.584% | 41
|
| 1989 | $ 0.01693 | 50.004% | 12.219% | 41
|
| 1990 | $ 0.01693 | NO CHANGE | 12.809% | 42
|
| 1991 | $ 0.01693 | NO CHANGE | 13.458% | 43
|
| 1992 | $ 0.01693 | NO CHANGE | 14.176% | 44
|
| 1993 | $ 0.01693 | NO CHANGE | 14.976% | 45
|
| 1994 | $ 0.04808 | 184.000% | 9.343% | 23
|
| 1995 | $ 0.07111 | 47.887% | 7.418% | 22
|
| 1996 | $ 0.08533 | 20.000% | 6.676% | 22
|
| 1997 | $ 0.11333 | 32.815% | 5.129% | 22
|
| 1998 | $ 0.13600 | 19.998% | 4.141% | 23
|
| 1999 | $ 0.15067 | 10.785% | 3.646% | 24
|
| 2000 | $ 0.17333 | 15.044% | 2.749% | 25
|
| 2001 | $ 0.18400 | 6.153% | 2.445% | 26
|
| 2002 | $ 0.19200 | 4.348% | 2.257% | 27
|
| 2003 | $ 0.21600 | 12.500% | 1.178% | 29
|
| 2004 | $ 0.28800 | 33.333% | The dividend for 2012 was less than the dividend for this year | There is no useful bumpiness for this year |
| 2005 | $ 0.42000 | 45.833% | The dividend for 2012 was less than the dividend for this year | There is no useful bumpiness for this year |
| 2006 | $ 0.49000 | 16.667% | The dividend for 2012 was less than the dividend for this year | There is no useful bumpiness for this year |
| 2007 | $ 0.54000 | 10.204% | The dividend for 2012 was less than the dividend for this year | There is no useful bumpiness for this year |
| 2008 | $ 0.50000 | DECREASE | The dividend for 2012 was less than the dividend for this year | There is no useful bumpiness for this year |
| 2009 | $ 0.20000 | DECREASE | 6.266% | 6
|
| 2010 | $ 0.20000 | NO CHANGE | 9.545% | 5
|
| 2011 | $ 0.21000 | 5.000% | 14.286% | 0
|
| 2012 | $ 0.24000 | 14.286% | | |