| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
523 |
538 |
532 |
536 |
579 |
756 |
914 |
819 |
603 |
689 |
| Getal steeds ingeskryf na 1 jaar |
360 |
398 |
401 |
409 |
455 |
589 |
726 |
664 |
496 |
548 |
| Getal steeds ingeskryf na 2 jaar |
323 |
365 |
377 |
384 |
418 |
501 |
656 |
580 |
429 |
- |
| Getal verloor na 1 jaar |
163 |
140 |
131 |
127 |
124 |
167 |
188 |
155 |
107 |
141 |
| Getal verloor na 2 jaar |
200 |
173 |
155 |
152 |
161 |
255 |
258 |
239 |
174 |
- |
| Persentasie verloor na 1 jaar |
31.17 |
26.02 |
24.62 |
23.69 |
21.42 |
22.09 |
20.57 |
18.93 |
17.74 |
20.46 |
| Persentasie verloor na 2 jaar |
38.24 |
32.16 |
29.14 |
28.36 |
27.81 |
33.73 |
28.23 |
29.18 |
28.86 |
- |
Getal verloor in jaar 2 |
37 |
33 |
24 |
25 |
37 |
88 |
70 |
84 |
67 |
- |
| Persentasie verloor in jaar 2 |
7.07 |
6.13 |
4.51 |
4.66 |
6.39 |
11.64 |
7.66 |
10.26 |
11.11 |
- |
| Persentasie behoue na 1 jaar |
68.83 |
73.98 |
75.38 |
76.31 |
78.58 |
77.91 |
79.43 |
81.07 |
82.26 |
79.54 |
| Persentasie behoue na 2 jaar |
61.76 |
67.84 |
70.86 |
71.64 |
72.19 |
66.27 |
71.77 |
70.82 |
71.14 |
- |