| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
3037 |
3064 |
3327 |
3239 |
3335 |
3344 |
3168 |
3299 |
3509 |
3483 |
| Getal steeds ingeskryf na 1 jaar |
2623 |
2661 |
2887 |
2815 |
2855 |
2917 |
2769 |
2973 |
3097 |
3099 |
| Getal steeds ingeskryf na 2 jaar |
2440 |
2492 |
2736 |
2643 |
2733 |
2814 |
2684 |
2844 |
2978 |
- |
| Getal verloor na 1 jaar |
414 |
403 |
440 |
424 |
480 |
427 |
399 |
326 |
412 |
384 |
| Getal verloor na 2 jaar |
597 |
572 |
591 |
596 |
602 |
530 |
484 |
455 |
531 |
- |
| Persentasie verloor na 1 jaar |
13.63 |
13.15 |
13.23 |
13.09 |
14.39 |
12.77 |
12.59 |
9.88 |
11.74 |
11.02 |
| Persentasie verloor na 2 jaar |
19.66 |
18.67 |
17.76 |
18.40 |
18.05 |
15.85 |
15.28 |
13.79 |
15.13 |
- |
Getal verloor in jaar 2 |
183 |
169 |
151 |
172 |
122 |
103 |
85 |
129 |
119 |
- |
| Persentasie verloor in jaar 2 |
6.03 |
5.52 |
4.54 |
5.31 |
3.66 |
3.08 |
2.68 |
3.91 |
3.39 |
- |
| Persentasie behoue na 1 jaar |
86.37 |
86.85 |
86.77 |
86.91 |
85.61 |
87.23 |
87.41 |
90.12 |
88.26 |
88.98 |
| Persentasie behoue na 2 jaar |
80.34 |
81.33 |
82.24 |
81.60 |
81.95 |
84.15 |
84.72 |
86.21 |
84.87 |
- |