| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
684 |
775 |
663 |
704 |
734 |
800 |
739 |
856 |
871 |
672 |
| Getal steeds ingeskryf na 1 jaar |
506 |
578 |
499 |
574 |
584 |
637 |
601 |
696 |
712 |
598 |
| Getal steeds ingeskryf na 2 jaar |
462 |
526 |
457 |
531 |
542 |
584 |
522 |
622 |
640 |
- |
| Getal verloor na 1 jaar |
178 |
197 |
164 |
130 |
150 |
163 |
138 |
160 |
159 |
74 |
| Getal verloor na 2 jaar |
222 |
249 |
206 |
173 |
192 |
216 |
217 |
234 |
231 |
- |
| Persentasie verloor na 1 jaar |
26.02 |
25.42 |
24.74 |
18.47 |
20.44 |
20.37 |
18.67 |
18.69 |
18.25 |
11.01 |
| Persentasie verloor na 2 jaar |
32.46 |
32.13 |
31.07 |
24.57 |
26.16 |
27.00 |
29.36 |
27.34 |
26.52 |
- |
Getal verloor in jaar 2 |
44 |
52 |
42 |
43 |
42 |
53 |
79 |
74 |
72 |
- |
| Persentasie verloor in jaar 2 |
6.43 |
6.71 |
6.33 |
6.11 |
5.72 |
6.62 |
10.69 |
8.64 |
8.27 |
- |
| Persentasie behoue na 1 jaar |
73.98 |
74.58 |
75.26 |
81.53 |
79.56 |
79.62 |
81.33 |
81.31 |
81.75 |
88.99 |
| Persentasie behoue na 2 jaar |
67.54 |
67.87 |
68.93 |
75.43 |
73.84 |
73.00 |
70.64 |
72.66 |
73.48 |
- |