| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
375 |
366 |
390 |
379 |
335 |
321 |
297 |
337 |
342 |
314 |
| Getal steeds ingeskryf na 1 jaar |
305 |
306 |
338 |
312 |
278 |
261 |
238 |
280 |
259 |
258 |
| Getal steeds ingeskryf na 2 jaar |
279 |
287 |
313 |
293 |
269 |
245 |
234 |
270 |
252 |
- |
| Getal verloor na 1 jaar |
70 |
60 |
52 |
67 |
57 |
60 |
59 |
57 |
83 |
56 |
| Getal verloor na 2 jaar |
96 |
79 |
77 |
86 |
66 |
76 |
63 |
67 |
90 |
- |
| Persentasie verloor na 1 jaar |
18.67 |
16.39 |
13.33 |
17.68 |
17.01 |
18.69 |
19.87 |
16.91 |
24.27 |
17.83 |
| Persentasie verloor na 2 jaar |
25.60 |
21.58 |
19.74 |
22.69 |
19.70 |
23.68 |
21.21 |
19.88 |
26.32 |
- |
Getal verloor in jaar 2 |
26 |
19 |
25 |
19 |
9 |
16 |
4 |
10 |
7 |
- |
| Persentasie verloor in jaar 2 |
6.93 |
5.19 |
6.41 |
5.01 |
2.69 |
4.98 |
1.35 |
2.97 |
2.05 |
- |
| Persentasie behoue na 1 jaar |
81.33 |
83.61 |
86.67 |
82.32 |
82.99 |
81.31 |
80.13 |
83.09 |
75.73 |
82.17 |
| Persentasie behoue na 2 jaar |
74.40 |
78.42 |
80.26 |
77.31 |
80.30 |
76.32 |
78.79 |
80.12 |
73.68 |
- |