| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
3097 |
3039 |
3064 |
3327 |
3239 |
3336 |
3344 |
3169 |
3302 |
3511 |
| Getal steeds ingeskryf na 1 jaar |
2602 |
2625 |
2661 |
2887 |
2815 |
2856 |
2917 |
2769 |
2970 |
3081 |
| Getal steeds ingeskryf na 2 jaar |
2387 |
2442 |
2492 |
2736 |
2643 |
2733 |
2812 |
2684 |
2830 |
- |
| Getal verloor na 1 jaar |
495 |
414 |
403 |
440 |
424 |
480 |
427 |
400 |
332 |
430 |
| Getal verloor na 2 jaar |
710 |
597 |
572 |
591 |
596 |
603 |
532 |
485 |
472 |
- |
| Persentasie verloor na 1 jaar |
15.98 |
13.62 |
13.15 |
13.23 |
13.09 |
14.39 |
12.77 |
12.62 |
10.05 |
12.25 |
| Persentasie verloor na 2 jaar |
22.93 |
19.64 |
18.67 |
17.76 |
18.40 |
18.08 |
15.91 |
15.30 |
14.29 |
- |
Getal verloor in jaar 2 |
215 |
183 |
169 |
151 |
172 |
123 |
105 |
85 |
140 |
- |
| Persentasie verloor in jaar 2 |
6.94 |
6.02 |
5.52 |
4.54 |
5.31 |
3.69 |
3.14 |
2.68 |
4.24 |
- |
| Persentasie behoue na 1 jaar |
84.02 |
86.38 |
86.85 |
86.77 |
86.91 |
85.61 |
87.23 |
87.38 |
89.95 |
87.75 |
| Persentasie behoue na 2 jaar |
77.07 |
80.36 |
81.33 |
82.24 |
81.60 |
81.92 |
84.09 |
84.70 |
85.71 |
- |