| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
326 |
331 |
386 |
361 |
410 |
496 |
524 |
431 |
550 |
491 |
| Getal steeds ingeskryf na 1 jaar |
263 |
245 |
305 |
290 |
359 |
414 |
459 |
374 |
483 |
428 |
| Getal steeds ingeskryf na 2 jaar |
236 |
234 |
293 |
277 |
342 |
395 |
416 |
348 |
448 |
- |
| Getal verloor na 1 jaar |
63 |
86 |
81 |
71 |
51 |
82 |
65 |
57 |
67 |
63 |
| Getal verloor na 2 jaar |
90 |
97 |
93 |
84 |
68 |
101 |
108 |
83 |
102 |
- |
| Persentasie verloor na 1 jaar |
19.33 |
25.98 |
20.98 |
19.67 |
12.44 |
16.53 |
12.40 |
13.23 |
12.18 |
12.83 |
| Persentasie verloor na 2 jaar |
27.61 |
29.31 |
24.09 |
23.27 |
16.59 |
20.36 |
20.61 |
19.26 |
18.55 |
- |
Getal verloor in jaar 2 |
27 |
11 |
12 |
13 |
17 |
19 |
43 |
26 |
35 |
- |
| Persentasie verloor in jaar 2 |
8.28 |
3.32 |
3.11 |
3.60 |
4.15 |
3.83 |
8.21 |
6.03 |
6.36 |
- |
| Persentasie behoue na 1 jaar |
80.67 |
74.02 |
79.02 |
80.33 |
87.56 |
83.47 |
87.60 |
86.77 |
87.82 |
87.17 |
| Persentasie behoue na 2 jaar |
72.39 |
70.69 |
75.91 |
76.73 |
83.41 |
79.64 |
79.39 |
80.74 |
81.45 |
- |