| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
315 |
290 |
326 |
339 |
299 |
404 |
357 |
389 |
273 |
293 |
| Getal steeds ingeskryf na 1 jaar |
255 |
231 |
269 |
258 |
244 |
317 |
298 |
319 |
247 |
268 |
| Getal steeds ingeskryf na 2 jaar |
239 |
227 |
259 |
250 |
233 |
295 |
279 |
288 |
230 |
- |
| Getal verloor na 1 jaar |
60 |
59 |
57 |
81 |
55 |
87 |
59 |
70 |
26 |
25 |
| Getal verloor na 2 jaar |
76 |
63 |
67 |
89 |
66 |
109 |
78 |
101 |
43 |
- |
| Persentasie verloor na 1 jaar |
19.05 |
20.34 |
17.48 |
23.89 |
18.39 |
21.53 |
16.53 |
17.99 |
9.52 |
8.53 |
| Persentasie verloor na 2 jaar |
24.13 |
21.72 |
20.55 |
26.25 |
22.07 |
26.98 |
21.85 |
25.96 |
15.75 |
- |
Getal verloor in jaar 2 |
16 |
4 |
10 |
8 |
11 |
22 |
19 |
31 |
17 |
- |
| Persentasie verloor in jaar 2 |
5.08 |
1.38 |
3.07 |
2.36 |
3.68 |
5.45 |
5.32 |
7.97 |
6.23 |
- |
| Persentasie behoue na 1 jaar |
80.95 |
79.66 |
82.52 |
76.11 |
81.61 |
78.47 |
83.47 |
82.01 |
90.48 |
91.47 |
| Persentasie behoue na 2 jaar |
75.87 |
78.28 |
79.45 |
73.75 |
77.93 |
73.02 |
78.15 |
74.04 |
84.25 |
- |