| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
407 |
396 |
338 |
331 |
359 |
426 |
379 |
462 |
316 |
195 |
| Getal steeds ingeskryf na 1 jaar |
254 |
253 |
207 |
231 |
252 |
304 |
272 |
340 |
210 |
147 |
| Getal steeds ingeskryf na 2 jaar |
221 |
221 |
178 |
208 |
220 |
249 |
216 |
280 |
165 |
- |
| Getal verloor na 1 jaar |
153 |
143 |
131 |
100 |
107 |
122 |
107 |
122 |
106 |
48 |
| Getal verloor na 2 jaar |
186 |
175 |
160 |
123 |
139 |
177 |
163 |
182 |
151 |
- |
| Persentasie verloor na 1 jaar |
37.59 |
36.11 |
38.76 |
30.21 |
29.81 |
28.64 |
28.23 |
26.41 |
33.54 |
24.62 |
| Persentasie verloor na 2 jaar |
45.70 |
44.19 |
47.34 |
37.16 |
38.72 |
41.55 |
43.01 |
39.39 |
47.78 |
- |
Getal verloor in jaar 2 |
33 |
32 |
29 |
23 |
32 |
55 |
56 |
60 |
45 |
- |
| Persentasie verloor in jaar 2 |
8.11 |
8.08 |
8.58 |
6.95 |
8.91 |
12.91 |
14.78 |
12.99 |
14.24 |
- |
| Persentasie behoue na 1 jaar |
62.41 |
63.89 |
61.24 |
69.79 |
70.19 |
71.36 |
71.77 |
73.59 |
66.46 |
75.38 |
| Persentasie behoue na 2 jaar |
54.30 |
55.81 |
52.66 |
62.84 |
61.28 |
58.45 |
56.99 |
60.61 |
52.22 |
- |