| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
237 |
239 |
246 |
255 |
272 |
273 |
352 |
357 |
396 |
244 |
| Getal steeds ingeskryf na 1 jaar |
187 |
185 |
175 |
205 |
193 |
210 |
264 |
273 |
308 |
211 |
| Getal steeds ingeskryf na 2 jaar |
184 |
174 |
167 |
191 |
188 |
198 |
232 |
247 |
270 |
- |
| Getal verloor na 1 jaar |
50 |
54 |
71 |
50 |
79 |
63 |
88 |
84 |
88 |
33 |
| Getal verloor na 2 jaar |
53 |
65 |
79 |
64 |
84 |
75 |
120 |
110 |
126 |
- |
| Persentasie verloor na 1 jaar |
21.10 |
22.59 |
28.86 |
19.61 |
29.04 |
23.08 |
25.00 |
23.53 |
22.22 |
13.52 |
| Persentasie verloor na 2 jaar |
22.36 |
27.20 |
32.11 |
25.10 |
30.88 |
27.47 |
34.09 |
30.81 |
31.82 |
- |
Getal verloor in jaar 2 |
3 |
11 |
8 |
14 |
5 |
12 |
32 |
26 |
38 |
- |
| Persentasie verloor in jaar 2 |
1.27 |
4.60 |
3.25 |
5.49 |
1.84 |
4.40 |
9.09 |
7.28 |
9.60 |
- |
| Persentasie behoue na 1 jaar |
78.90 |
77.41 |
71.14 |
80.39 |
70.96 |
76.92 |
75.00 |
76.47 |
77.78 |
86.48 |
| Persentasie behoue na 2 jaar |
77.64 |
72.80 |
67.89 |
74.90 |
69.12 |
72.53 |
65.91 |
69.19 |
68.18 |
- |