| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
505 |
537 |
415 |
440 |
445 |
458 |
660 |
824 |
757 |
528 |
| Getal steeds ingeskryf na 1 jaar |
371 |
418 |
329 |
353 |
350 |
379 |
539 |
649 |
600 |
446 |
| Getal steeds ingeskryf na 2 jaar |
340 |
387 |
305 |
317 |
327 |
336 |
488 |
578 |
545 |
- |
| Getal verloor na 1 jaar |
134 |
119 |
86 |
87 |
95 |
79 |
121 |
175 |
157 |
82 |
| Getal verloor na 2 jaar |
165 |
150 |
110 |
123 |
118 |
122 |
172 |
246 |
212 |
- |
| Persentasie verloor na 1 jaar |
26.53 |
22.16 |
20.72 |
19.77 |
21.35 |
17.25 |
18.33 |
21.24 |
20.74 |
15.53 |
| Persentasie verloor na 2 jaar |
32.67 |
27.93 |
26.51 |
27.95 |
26.52 |
26.64 |
26.06 |
29.85 |
28.01 |
- |
Getal verloor in jaar 2 |
31 |
31 |
24 |
36 |
23 |
43 |
51 |
71 |
55 |
- |
| Persentasie verloor in jaar 2 |
6.14 |
5.77 |
5.78 |
8.18 |
5.17 |
9.39 |
7.73 |
8.62 |
7.27 |
- |
| Persentasie behoue na 1 jaar |
73.47 |
77.84 |
79.28 |
80.23 |
78.65 |
82.75 |
81.67 |
78.76 |
79.26 |
84.47 |
| Persentasie behoue na 2 jaar |
67.33 |
72.07 |
73.49 |
72.05 |
73.48 |
73.36 |
73.94 |
70.15 |
71.99 |
- |