| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
506 |
476 |
448 |
490 |
470 |
495 |
523 |
539 |
531 |
538 |
| Getal steeds ingeskryf na 1 jaar |
361 |
344 |
339 |
377 |
357 |
357 |
360 |
396 |
396 |
402 |
| Getal steeds ingeskryf na 2 jaar |
299 |
293 |
285 |
339 |
322 |
323 |
323 |
364 |
370 |
- |
| Getal verloor na 1 jaar |
145 |
132 |
109 |
113 |
113 |
138 |
163 |
143 |
135 |
136 |
| Getal verloor na 2 jaar |
207 |
183 |
163 |
151 |
148 |
172 |
200 |
175 |
161 |
- |
| Persentasie verloor na 1 jaar |
28.66 |
27.73 |
24.33 |
23.06 |
24.04 |
27.88 |
31.17 |
26.53 |
25.42 |
25.28 |
| Persentasie verloor na 2 jaar |
40.91 |
38.45 |
36.38 |
30.82 |
31.49 |
34.75 |
38.24 |
32.47 |
30.32 |
- |
Getal verloor in jaar 2 |
62 |
51 |
54 |
38 |
35 |
34 |
37 |
32 |
26 |
- |
| Persentasie verloor in jaar 2 |
12.25 |
10.71 |
12.05 |
7.76 |
7.45 |
6.87 |
7.07 |
5.94 |
4.90 |
- |
| Persentasie behoue na 1 jaar |
71.34 |
72.27 |
75.67 |
76.94 |
75.96 |
72.12 |
68.83 |
73.47 |
74.58 |
74.72 |
| Persentasie behoue na 2 jaar |
59.09 |
61.55 |
63.62 |
69.18 |
68.51 |
65.25 |
61.76 |
67.53 |
69.68 |
- |