| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
217 |
194 |
225 |
282 |
263 |
326 |
314 |
338 |
353 |
377 |
| Getal steeds ingeskryf na 1 jaar |
163 |
142 |
178 |
224 |
213 |
268 |
236 |
273 |
277 |
306 |
| Getal steeds ingeskryf na 2 jaar |
130 |
123 |
161 |
213 |
185 |
248 |
219 |
252 |
251 |
- |
| Getal verloor na 1 jaar |
54 |
52 |
47 |
58 |
50 |
58 |
78 |
65 |
76 |
71 |
| Getal verloor na 2 jaar |
87 |
71 |
64 |
69 |
78 |
78 |
95 |
86 |
102 |
- |
| Persentasie verloor na 1 jaar |
24.88 |
26.80 |
20.89 |
20.57 |
19.01 |
17.79 |
24.84 |
19.23 |
21.53 |
18.83 |
| Persentasie verloor na 2 jaar |
40.09 |
36.60 |
28.44 |
24.47 |
29.66 |
23.93 |
30.25 |
25.44 |
28.90 |
- |
Getal verloor in jaar 2 |
33 |
19 |
17 |
11 |
28 |
20 |
17 |
21 |
26 |
- |
| Persentasie verloor in jaar 2 |
15.21 |
9.79 |
7.56 |
3.90 |
10.65 |
6.13 |
5.41 |
6.21 |
7.37 |
- |
| Persentasie behoue na 1 jaar |
75.12 |
73.20 |
79.11 |
79.43 |
80.99 |
82.21 |
75.16 |
80.77 |
78.47 |
81.17 |
| Persentasie behoue na 2 jaar |
59.91 |
63.40 |
71.56 |
75.53 |
70.34 |
76.07 |
69.75 |
74.56 |
71.10 |
- |