| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
327 |
313 |
289 |
324 |
339 |
298 |
401 |
360 |
389 |
273 |
| Getal steeds ingeskryf na 1 jaar |
270 |
253 |
230 |
267 |
258 |
243 |
314 |
300 |
319 |
247 |
| Getal steeds ingeskryf na 2 jaar |
262 |
237 |
226 |
257 |
250 |
233 |
292 |
281 |
290 |
- |
| Getal verloor na 1 jaar |
57 |
60 |
59 |
57 |
81 |
55 |
87 |
60 |
70 |
26 |
| Getal verloor na 2 jaar |
65 |
76 |
63 |
67 |
89 |
65 |
109 |
79 |
99 |
- |
| Persentasie verloor na 1 jaar |
17.43 |
19.17 |
20.42 |
17.59 |
23.89 |
18.46 |
21.70 |
16.67 |
17.99 |
9.52 |
| Persentasie verloor na 2 jaar |
19.88 |
24.28 |
21.80 |
20.68 |
26.25 |
21.81 |
27.18 |
21.94 |
25.45 |
- |
Getal verloor in jaar 2 |
8 |
16 |
4 |
10 |
8 |
10 |
22 |
19 |
29 |
- |
| Persentasie verloor in jaar 2 |
2.45 |
5.11 |
1.38 |
3.09 |
2.36 |
3.36 |
5.49 |
5.28 |
7.46 |
- |
| Persentasie behoue na 1 jaar |
82.57 |
80.83 |
79.58 |
82.41 |
76.11 |
81.54 |
78.30 |
83.33 |
82.01 |
90.48 |
| Persentasie behoue na 2 jaar |
80.12 |
75.72 |
78.20 |
79.32 |
73.75 |
78.19 |
72.82 |
78.06 |
74.55 |
- |