| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
288 |
312 |
337 |
349 |
431 |
439 |
376 |
482 |
488 |
342 |
| Getal steeds ingeskryf na 1 jaar |
248 |
252 |
295 |
296 |
370 |
372 |
316 |
395 |
400 |
290 |
| Getal steeds ingeskryf na 2 jaar |
231 |
239 |
274 |
277 |
345 |
341 |
291 |
360 |
370 |
- |
| Getal verloor na 1 jaar |
40 |
60 |
42 |
53 |
61 |
67 |
60 |
87 |
88 |
52 |
| Getal verloor na 2 jaar |
57 |
73 |
63 |
72 |
86 |
98 |
85 |
122 |
118 |
- |
| Persentasie verloor na 1 jaar |
13.89 |
19.23 |
12.46 |
15.19 |
14.15 |
15.26 |
15.96 |
18.05 |
18.03 |
15.20 |
| Persentasie verloor na 2 jaar |
19.79 |
23.40 |
18.69 |
20.63 |
19.95 |
22.32 |
22.61 |
25.31 |
24.18 |
- |
Getal verloor in jaar 2 |
17 |
13 |
21 |
19 |
25 |
31 |
25 |
35 |
30 |
- |
| Persentasie verloor in jaar 2 |
5.90 |
4.17 |
6.23 |
5.44 |
5.80 |
7.06 |
6.65 |
7.26 |
6.15 |
- |
| Persentasie behoue na 1 jaar |
86.11 |
80.77 |
87.54 |
84.81 |
85.85 |
84.74 |
84.04 |
81.95 |
81.97 |
84.80 |
| Persentasie behoue na 2 jaar |
80.21 |
76.60 |
81.31 |
79.37 |
80.05 |
77.68 |
77.39 |
74.69 |
75.82 |
- |