| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
359 |
375 |
366 |
390 |
379 |
337 |
321 |
299 |
338 |
348 |
| Getal steeds ingeskryf na 1 jaar |
278 |
305 |
306 |
338 |
312 |
280 |
261 |
240 |
279 |
264 |
| Getal steeds ingeskryf na 2 jaar |
249 |
279 |
287 |
313 |
293 |
271 |
245 |
236 |
270 |
- |
| Getal verloor na 1 jaar |
81 |
70 |
60 |
52 |
67 |
57 |
60 |
59 |
59 |
84 |
| Getal verloor na 2 jaar |
110 |
96 |
79 |
77 |
86 |
66 |
76 |
63 |
68 |
- |
| Persentasie verloor na 1 jaar |
22.56 |
18.67 |
16.39 |
13.33 |
17.68 |
16.91 |
18.69 |
19.73 |
17.46 |
24.14 |
| Persentasie verloor na 2 jaar |
30.64 |
25.60 |
21.58 |
19.74 |
22.69 |
19.58 |
23.68 |
21.07 |
20.12 |
- |
Getal verloor in jaar 2 |
29 |
26 |
19 |
25 |
19 |
9 |
16 |
4 |
9 |
- |
| Persentasie verloor in jaar 2 |
8.08 |
6.93 |
5.19 |
6.41 |
5.01 |
2.67 |
4.98 |
1.34 |
2.66 |
- |
| Persentasie behoue na 1 jaar |
77.44 |
81.33 |
83.61 |
86.67 |
82.32 |
83.09 |
81.31 |
80.27 |
82.54 |
75.86 |
| Persentasie behoue na 2 jaar |
69.36 |
74.40 |
78.42 |
80.26 |
77.31 |
80.42 |
76.32 |
78.93 |
79.88 |
- |