| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
372 |
330 |
313 |
288 |
323 |
332 |
299 |
395 |
353 |
343 |
| Getal steeds ingeskryf na 1 jaar |
307 |
273 |
253 |
229 |
266 |
251 |
244 |
312 |
293 |
272 |
| Getal steeds ingeskryf na 2 jaar |
286 |
265 |
237 |
225 |
256 |
243 |
234 |
288 |
275 |
- |
| Getal verloor na 1 jaar |
65 |
57 |
60 |
59 |
57 |
81 |
55 |
83 |
60 |
71 |
| Getal verloor na 2 jaar |
86 |
65 |
76 |
63 |
67 |
89 |
65 |
107 |
78 |
- |
| Persentasie verloor na 1 jaar |
17.47 |
17.27 |
19.17 |
20.49 |
17.65 |
24.40 |
18.39 |
21.01 |
17.00 |
20.70 |
| Persentasie verloor na 2 jaar |
23.12 |
19.70 |
24.28 |
21.88 |
20.74 |
26.81 |
21.74 |
27.09 |
22.10 |
- |
Getal verloor in jaar 2 |
21 |
8 |
16 |
4 |
10 |
8 |
10 |
24 |
18 |
- |
| Persentasie verloor in jaar 2 |
5.65 |
2.42 |
5.11 |
1.39 |
3.10 |
2.41 |
3.34 |
6.08 |
5.10 |
- |
| Persentasie behoue na 1 jaar |
82.53 |
82.73 |
80.83 |
79.51 |
82.35 |
75.60 |
81.61 |
78.99 |
83.00 |
79.30 |
| Persentasie behoue na 2 jaar |
76.88 |
80.30 |
75.72 |
78.13 |
79.26 |
73.19 |
78.26 |
72.91 |
77.90 |
- |