| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
244 |
288 |
311 |
330 |
345 |
429 |
433 |
363 |
471 |
479 |
| Getal steeds ingeskryf na 1 jaar |
203 |
248 |
251 |
289 |
292 |
368 |
366 |
303 |
387 |
392 |
| Getal steeds ingeskryf na 2 jaar |
180 |
231 |
238 |
268 |
273 |
343 |
335 |
278 |
351 |
- |
| Getal verloor na 1 jaar |
41 |
40 |
60 |
41 |
53 |
61 |
67 |
60 |
84 |
87 |
| Getal verloor na 2 jaar |
64 |
57 |
73 |
62 |
72 |
86 |
98 |
85 |
120 |
- |
| Persentasie verloor na 1 jaar |
16.80 |
13.89 |
19.29 |
12.42 |
15.36 |
14.22 |
15.47 |
16.53 |
17.83 |
18.16 |
| Persentasie verloor na 2 jaar |
26.23 |
19.79 |
23.47 |
18.79 |
20.87 |
20.05 |
22.63 |
23.42 |
25.48 |
- |
Getal verloor in jaar 2 |
23 |
17 |
13 |
21 |
19 |
25 |
31 |
25 |
36 |
- |
| Persentasie verloor in jaar 2 |
9.43 |
5.90 |
4.18 |
6.36 |
5.51 |
5.83 |
7.16 |
6.89 |
7.64 |
- |
| Persentasie behoue na 1 jaar |
83.20 |
86.11 |
80.71 |
87.58 |
84.64 |
85.78 |
84.53 |
83.47 |
82.17 |
81.84 |
| Persentasie behoue na 2 jaar |
73.77 |
80.21 |
76.53 |
81.21 |
79.13 |
79.95 |
77.37 |
76.58 |
74.52 |
- |