| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
286 |
280 |
271 |
325 |
274 |
263 |
352 |
296 |
312 |
339 |
| Getal steeds ingeskryf na 1 jaar |
220 |
208 |
214 |
254 |
207 |
191 |
261 |
217 |
243 |
254 |
| Getal steeds ingeskryf na 2 jaar |
185 |
184 |
185 |
225 |
177 |
175 |
240 |
201 |
220 |
- |
| Getal verloor na 1 jaar |
66 |
72 |
57 |
71 |
67 |
72 |
91 |
79 |
69 |
85 |
| Getal verloor na 2 jaar |
101 |
96 |
86 |
100 |
97 |
88 |
112 |
95 |
92 |
- |
| Persentasie verloor na 1 jaar |
23.08 |
25.71 |
21.03 |
21.85 |
24.45 |
27.38 |
25.85 |
26.69 |
22.12 |
25.07 |
| Persentasie verloor na 2 jaar |
35.31 |
34.29 |
31.73 |
30.77 |
35.40 |
33.46 |
31.82 |
32.09 |
29.49 |
- |
Getal verloor in jaar 2 |
35 |
24 |
29 |
29 |
30 |
16 |
21 |
16 |
23 |
- |
| Persentasie verloor in jaar 2 |
12.24 |
8.57 |
10.70 |
8.92 |
10.95 |
6.08 |
5.97 |
5.41 |
7.37 |
- |
| Persentasie behoue na 1 jaar |
76.92 |
74.29 |
78.97 |
78.15 |
75.55 |
72.62 |
74.15 |
73.31 |
77.88 |
74.93 |
| Persentasie behoue na 2 jaar |
64.69 |
65.71 |
68.27 |
69.23 |
64.60 |
66.54 |
68.18 |
67.91 |
70.51 |
- |