| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
359 |
312 |
312 |
320 |
326 |
387 |
358 |
418 |
495 |
506 |
| Getal steeds ingeskryf na 1 jaar |
294 |
261 |
259 |
257 |
239 |
305 |
288 |
363 |
412 |
436 |
| Getal steeds ingeskryf na 2 jaar |
259 |
243 |
240 |
230 |
228 |
293 |
275 |
348 |
391 |
- |
| Getal verloor na 1 jaar |
65 |
51 |
53 |
63 |
87 |
82 |
70 |
55 |
83 |
70 |
| Getal verloor na 2 jaar |
100 |
69 |
72 |
90 |
98 |
94 |
83 |
70 |
104 |
- |
| Persentasie verloor na 1 jaar |
18.11 |
16.35 |
16.99 |
19.69 |
26.69 |
21.19 |
19.55 |
13.16 |
16.77 |
13.83 |
| Persentasie verloor na 2 jaar |
27.86 |
22.12 |
23.08 |
28.13 |
30.06 |
24.29 |
23.18 |
16.75 |
21.01 |
- |
Getal verloor in jaar 2 |
35 |
18 |
19 |
27 |
11 |
12 |
13 |
15 |
21 |
- |
| Persentasie verloor in jaar 2 |
9.75 |
5.77 |
6.09 |
8.44 |
3.37 |
3.10 |
3.63 |
3.59 |
4.24 |
- |
| Persentasie behoue na 1 jaar |
81.89 |
83.65 |
83.01 |
80.31 |
73.31 |
78.81 |
80.45 |
86.84 |
83.23 |
86.17 |
| Persentasie behoue na 2 jaar |
72.14 |
77.88 |
76.92 |
71.88 |
69.94 |
75.71 |
76.82 |
83.25 |
78.99 |
- |