| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
243 |
207 |
247 |
256 |
255 |
291 |
301 |
296 |
323 |
321 |
| Getal steeds ingeskryf na 1 jaar |
199 |
161 |
215 |
210 |
217 |
230 |
230 |
247 |
258 |
261 |
| Getal steeds ingeskryf na 2 jaar |
173 |
145 |
186 |
192 |
187 |
218 |
215 |
224 |
235 |
- |
| Getal verloor na 1 jaar |
44 |
46 |
32 |
46 |
38 |
61 |
71 |
49 |
65 |
60 |
| Getal verloor na 2 jaar |
70 |
62 |
61 |
64 |
68 |
73 |
86 |
72 |
88 |
- |
| Persentasie verloor na 1 jaar |
18.11 |
22.22 |
12.96 |
17.97 |
14.90 |
20.96 |
23.59 |
16.55 |
20.12 |
18.69 |
| Persentasie verloor na 2 jaar |
28.81 |
29.95 |
24.70 |
25.00 |
26.67 |
25.09 |
28.57 |
24.32 |
27.24 |
- |
Getal verloor in jaar 2 |
26 |
16 |
29 |
18 |
30 |
12 |
15 |
23 |
23 |
- |
| Persentasie verloor in jaar 2 |
10.70 |
7.73 |
11.74 |
7.03 |
11.76 |
4.12 |
4.98 |
7.77 |
7.12 |
- |
| Persentasie behoue na 1 jaar |
81.89 |
77.78 |
87.04 |
82.03 |
85.10 |
79.04 |
76.41 |
83.45 |
79.88 |
81.31 |
| Persentasie behoue na 2 jaar |
71.19 |
70.05 |
75.30 |
75.00 |
73.33 |
74.91 |
71.43 |
75.68 |
72.76 |
- |