| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
3651 |
3543 |
3634 |
3937 |
3938 |
4278 |
4402 |
4097 |
4225 |
4505 |
| Getal steeds ingeskryf na 1 jaar |
2998 |
2967 |
3085 |
3351 |
3354 |
3552 |
3712 |
3463 |
3699 |
3854 |
| Getal steeds ingeskryf na 2 jaar |
2713 |
2731 |
2863 |
3153 |
3109 |
3375 |
3542 |
3309 |
3508 |
- |
| Getal verloor na 1 jaar |
653 |
576 |
549 |
586 |
584 |
726 |
690 |
634 |
526 |
651 |
| Getal verloor na 2 jaar |
938 |
812 |
771 |
784 |
829 |
903 |
860 |
788 |
717 |
- |
| Persentasie verloor na 1 jaar |
17.89 |
16.26 |
15.11 |
14.88 |
14.83 |
16.97 |
15.67 |
15.47 |
12.45 |
14.45 |
| Persentasie verloor na 2 jaar |
25.69 |
22.92 |
21.22 |
19.91 |
21.05 |
21.11 |
19.54 |
19.23 |
16.97 |
- |
Getal verloor in jaar 2 |
285 |
236 |
222 |
198 |
245 |
177 |
170 |
154 |
191 |
- |
| Persentasie verloor in jaar 2 |
7.81 |
6.66 |
6.11 |
5.03 |
6.22 |
4.14 |
3.86 |
3.76 |
4.52 |
- |
| Persentasie behoue na 1 jaar |
82.11 |
83.74 |
84.89 |
85.12 |
85.17 |
83.03 |
84.33 |
84.53 |
87.55 |
85.55 |
| Persentasie behoue na 2 jaar |
74.31 |
77.08 |
78.78 |
80.09 |
78.95 |
78.89 |
80.46 |
80.77 |
83.03 |
- |