| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
3543 |
3634 |
3937 |
3938 |
4278 |
4402 |
4097 |
4224 |
4503 |
4560 |
| Getal steeds ingeskryf na 1 jaar |
2967 |
3085 |
3351 |
3354 |
3552 |
3712 |
3465 |
3705 |
3880 |
3941 |
| Getal steeds ingeskryf na 2 jaar |
2731 |
2863 |
3153 |
3109 |
3376 |
3544 |
3310 |
3528 |
3701 |
- |
| Getal verloor na 1 jaar |
576 |
549 |
586 |
584 |
726 |
690 |
632 |
519 |
623 |
619 |
| Getal verloor na 2 jaar |
812 |
771 |
784 |
829 |
902 |
858 |
787 |
696 |
802 |
- |
| Persentasie verloor na 1 jaar |
16.26 |
15.11 |
14.88 |
14.83 |
16.97 |
15.67 |
15.43 |
12.29 |
13.84 |
13.57 |
| Persentasie verloor na 2 jaar |
22.92 |
21.22 |
19.91 |
21.05 |
21.08 |
19.49 |
19.21 |
16.48 |
17.81 |
- |
Getal verloor in jaar 2 |
236 |
222 |
198 |
245 |
176 |
168 |
155 |
177 |
179 |
- |
| Persentasie verloor in jaar 2 |
6.66 |
6.11 |
5.03 |
6.22 |
4.11 |
3.82 |
3.78 |
4.19 |
3.98 |
- |
| Persentasie behoue na 1 jaar |
83.74 |
84.89 |
85.12 |
85.17 |
83.03 |
84.33 |
84.57 |
87.71 |
86.16 |
86.43 |
| Persentasie behoue na 2 jaar |
77.08 |
78.78 |
80.09 |
78.95 |
78.92 |
80.51 |
80.79 |
83.52 |
82.19 |
- |