| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
322 |
358 |
312 |
312 |
321 |
326 |
387 |
357 |
419 |
493 |
| Getal steeds ingeskryf na 1 jaar |
255 |
293 |
261 |
259 |
258 |
239 |
305 |
287 |
365 |
404 |
| Getal steeds ingeskryf na 2 jaar |
218 |
258 |
243 |
240 |
231 |
228 |
293 |
274 |
347 |
- |
| Getal verloor na 1 jaar |
67 |
65 |
51 |
53 |
63 |
87 |
82 |
70 |
54 |
89 |
| Getal verloor na 2 jaar |
104 |
100 |
69 |
72 |
90 |
98 |
94 |
83 |
72 |
- |
| Persentasie verloor na 1 jaar |
20.81 |
18.16 |
16.35 |
16.99 |
19.63 |
26.69 |
21.19 |
19.61 |
12.89 |
18.05 |
| Persentasie verloor na 2 jaar |
32.30 |
27.93 |
22.12 |
23.08 |
28.04 |
30.06 |
24.29 |
23.25 |
17.18 |
- |
Getal verloor in jaar 2 |
37 |
35 |
18 |
19 |
27 |
11 |
12 |
13 |
18 |
- |
| Persentasie verloor in jaar 2 |
11.49 |
9.78 |
5.77 |
6.09 |
8.41 |
3.37 |
3.10 |
3.64 |
4.30 |
- |
| Persentasie behoue na 1 jaar |
79.19 |
81.84 |
83.65 |
83.01 |
80.37 |
73.31 |
78.81 |
80.39 |
87.11 |
81.95 |
| Persentasie behoue na 2 jaar |
67.70 |
72.07 |
77.88 |
76.92 |
71.96 |
69.94 |
75.71 |
76.75 |
82.82 |
- |