| Zeitraum | H.Kempen | Zinsen | Abzinsung | Saldo | M.Kempen | Zinsen | Abzinsung | Saldo |
| 5,00% | 5,00% | |||||||
| 1999 | 0,00 | 0,00 DM | 0,00 | 0,00 | ||||
| 2000 | 210.000,00 | 10.500,00 | 220.500,00 DM | 0,00 | 0,00 | |||
| 2001 | 220.500,00 | 11.025,00 | 231.525,00 DM | 136.500,00 | 6.825,00 | 143.325,00 | ||
| 2002 | 231.525,00 | 11.576,25 | 243.101,25 DM | 143.325,00 | 7.166,25 | 150.491,25 | ||
| 2003 | 243.101,25 | 12.155,06 | 255.256,31 DM | 150.491,25 | 7.524,56 | 158.015,81 | ||
| 2004 | 255.256,31 | 199.052,07 | 241.949,03 DM | 158.015,81 | 150.631,80 | 150.631,80 | ||
| 2005 | 268.019,13 | 188.674,92 | 240.802,32 DM | 165.916,60 | 149.089,10 | 149.089,10 | ||
| 2006 | 281.420,08 | 178.838,94 | 239.661,28 DM | 174.212,43 | 148.361,74 | 148.361,74 | ||
| 2007 | 295.491,09 | 169.515,57 | 238.525,43 DM | 182.923,05 | 147.658,60 | 147.658,60 | ||
| 2008 | 310.265,64 | 160.678,14 | 237.394,79 DM | 192.069,21 | 146.958,68 | 146.958,68 | ||
| 2009 | 325.778,93 | 152.301,66 | 236.269,87 DM | 201.672,67 | 146.262,30 | 146.262,30 | ||
| 2010 | 342.067,87 | 144.361,77 | 235.149,51 DM | 211.756,30 | 145.569,12 | 145.569,12 | ||
| 2011 | 359.171,27 | 136.835,79 | 234.035,64 DM | 222.344,12 | 144.879,21 | 144.879,21 | ||
| 2012 | 377.129,83 | 129.702,09 | 232.926,32 DM | 233.461,32 | 144.192,48 | 144.192,48 | ||
| 2013 | 395.986,32 | 122.921,61 | 231.787,03 DM | 245.134,39 | 143.487,21 | 143.487,21 | ||
| 3.318.883,78 DM | 1.918.922,30 | |||||||
| 1.918.922,30 DM | ||||||||
| Gesamt | 5.237.806,09 DM | 2.678.047,73 € | ||||||