| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
298 |
316 |
294 |
290 |
294 |
341 |
359 |
462 |
377 |
305 |
| Getal steeds ingeskryf na 1 jaar |
188 |
204 |
200 |
222 |
233 |
272 |
284 |
377 |
314 |
258 |
| Getal steeds ingeskryf na 2 jaar |
171 |
188 |
182 |
202 |
217 |
240 |
251 |
338 |
272 |
- |
| Getal verloor na 1 jaar |
110 |
112 |
94 |
68 |
61 |
69 |
75 |
85 |
63 |
47 |
| Getal verloor na 2 jaar |
127 |
128 |
112 |
88 |
77 |
101 |
108 |
124 |
105 |
- |
| Persentasie verloor na 1 jaar |
36.91 |
35.44 |
31.97 |
23.45 |
20.75 |
20.23 |
20.89 |
18.40 |
16.71 |
15.41 |
| Persentasie verloor na 2 jaar |
42.62 |
40.51 |
38.10 |
30.34 |
26.19 |
29.62 |
30.08 |
26.84 |
27.85 |
- |
Getal verloor in jaar 2 |
17 |
16 |
18 |
20 |
16 |
32 |
33 |
39 |
42 |
- |
| Persentasie verloor in jaar 2 |
5.70 |
5.06 |
6.12 |
6.90 |
5.44 |
9.38 |
9.19 |
8.44 |
11.14 |
- |
| Persentasie behoue na 1 jaar |
63.09 |
64.56 |
68.03 |
76.55 |
79.25 |
79.77 |
79.11 |
81.60 |
83.29 |
84.59 |
| Persentasie behoue na 2 jaar |
57.38 |
59.49 |
61.90 |
69.66 |
73.81 |
70.38 |
69.92 |
73.16 |
72.15 |
- |