| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
471 |
445 |
488 |
467 |
496 |
523 |
539 |
532 |
539 |
576 |
| Getal steeds ingeskryf na 1 jaar |
340 |
338 |
376 |
356 |
358 |
360 |
398 |
401 |
410 |
442 |
| Getal steeds ingeskryf na 2 jaar |
289 |
284 |
338 |
321 |
324 |
323 |
365 |
377 |
381 |
- |
| Getal verloor na 1 jaar |
131 |
107 |
112 |
111 |
138 |
163 |
141 |
131 |
129 |
134 |
| Getal verloor na 2 jaar |
182 |
161 |
150 |
146 |
172 |
200 |
174 |
155 |
158 |
- |
| Persentasie verloor na 1 jaar |
27.81 |
24.04 |
22.95 |
23.77 |
27.82 |
31.17 |
26.16 |
24.62 |
23.93 |
23.26 |
| Persentasie verloor na 2 jaar |
38.64 |
36.18 |
30.74 |
31.26 |
34.68 |
38.24 |
32.28 |
29.14 |
29.31 |
- |
Getal verloor in jaar 2 |
51 |
54 |
38 |
35 |
34 |
37 |
33 |
24 |
29 |
- |
| Persentasie verloor in jaar 2 |
10.83 |
12.13 |
7.79 |
7.49 |
6.85 |
7.07 |
6.12 |
4.51 |
5.38 |
- |
| Persentasie behoue na 1 jaar |
72.19 |
75.96 |
77.05 |
76.23 |
72.18 |
68.83 |
73.84 |
75.38 |
76.07 |
76.74 |
| Persentasie behoue na 2 jaar |
61.36 |
63.82 |
69.26 |
68.74 |
65.32 |
61.76 |
67.72 |
70.86 |
70.69 |
- |