| Beskrywing |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| Getal inskrywings |
485 |
520 |
683 |
775 |
664 |
704 |
732 |
797 |
741 |
857 |
| Getal steeds ingeskryf na 1 jaar |
368 |
398 |
505 |
578 |
499 |
574 |
582 |
635 |
603 |
691 |
| Getal steeds ingeskryf na 2 jaar |
334 |
345 |
461 |
526 |
458 |
531 |
539 |
581 |
520 |
- |
| Getal verloor na 1 jaar |
117 |
122 |
178 |
197 |
165 |
130 |
150 |
162 |
138 |
166 |
| Getal verloor na 2 jaar |
151 |
175 |
222 |
249 |
206 |
173 |
193 |
216 |
221 |
- |
| Persentasie verloor na 1 jaar |
24.12 |
23.46 |
26.06 |
25.42 |
24.85 |
18.47 |
20.49 |
20.33 |
18.62 |
19.37 |
| Persentasie verloor na 2 jaar |
31.13 |
33.65 |
32.50 |
32.13 |
31.02 |
24.57 |
26.37 |
27.10 |
29.82 |
- |
Getal verloor in jaar 2 |
34 |
53 |
44 |
52 |
41 |
43 |
43 |
54 |
83 |
- |
| Persentasie verloor in jaar 2 |
7.01 |
10.19 |
6.44 |
6.71 |
6.17 |
6.11 |
5.87 |
6.78 |
11.20 |
- |
| Persentasie behoue na 1 jaar |
75.88 |
76.54 |
73.94 |
74.58 |
75.15 |
81.53 |
79.51 |
79.67 |
81.38 |
80.63 |
| Persentasie behoue na 2 jaar |
68.87 |
66.35 |
67.50 |
67.87 |
68.98 |
75.43 |
73.63 |
72.90 |
70.18 |
- |