| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
227 |
221 |
271 |
260 |
242 |
285 |
309 |
330 |
345 |
425 |
| Getal steeds ingeskryf na 1 jaar |
182 |
173 |
221 |
223 |
201 |
245 |
250 |
289 |
282 |
360 |
| Getal steeds ingeskryf na 2 jaar |
161 |
157 |
202 |
200 |
178 |
227 |
236 |
268 |
263 |
- |
| Getal verloor na 1 jaar |
45 |
48 |
50 |
37 |
41 |
40 |
59 |
41 |
63 |
65 |
| Getal verloor na 2 jaar |
66 |
64 |
69 |
60 |
64 |
58 |
73 |
62 |
82 |
- |
| Persentasie verloor na 1 jaar |
19.82 |
21.72 |
18.45 |
14.23 |
16.94 |
14.04 |
19.09 |
12.42 |
18.26 |
15.29 |
| Persentasie verloor na 2 jaar |
29.07 |
28.96 |
25.46 |
23.08 |
26.45 |
20.35 |
23.62 |
18.79 |
23.77 |
- |
| Getal verloor in jaar 2 |
21 |
16 |
19 |
23 |
23 |
18 |
14 |
21 |
19 |
- |
| Persentasie verloor in jaar 2 |
9.25 |
7.24 |
7.01 |
8.85 |
9.50 |
6.32 |
4.53 |
6.36 |
5.51 |
- |
| Persentasie behoue na 1 jaar |
80.18 |
78.28 |
81.55 |
85.77 |
83.06 |
85.96 |
80.91 |
87.58 |
81.74 |
84.71 |
| Persentasie behoue na 2 jaar |
70.93 |
71.04 |
74.54 |
76.92 |
73.55 |
79.65 |
76.38 |
81.21 |
76.23 |
- |