| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
331 |
386 |
364 |
408 |
499 |
526 |
435 |
560 |
509 |
424 |
| Getal steeds ingeskryf na 1 jaar |
245 |
305 |
293 |
357 |
417 |
461 |
378 |
493 |
445 |
373 |
| Getal steeds ingeskryf na 2 jaar |
234 |
293 |
280 |
340 |
398 |
418 |
352 |
458 |
408 |
- |
| Getal verloor na 1 jaar |
86 |
81 |
71 |
51 |
82 |
65 |
57 |
67 |
64 |
51 |
| Getal verloor na 2 jaar |
97 |
93 |
84 |
68 |
101 |
108 |
83 |
102 |
101 |
- |
| Persentasie verloor na 1 jaar |
25.98 |
20.98 |
19.51 |
12.50 |
16.43 |
12.36 |
13.10 |
11.96 |
12.57 |
12.03 |
| Persentasie verloor na 2 jaar |
29.31 |
24.09 |
23.08 |
16.67 |
20.24 |
20.53 |
19.08 |
18.21 |
19.84 |
- |
Getal verloor in jaar 2 |
11 |
12 |
13 |
17 |
19 |
43 |
26 |
35 |
37 |
- |
| Persentasie verloor in jaar 2 |
3.32 |
3.11 |
3.57 |
4.17 |
3.81 |
8.17 |
5.98 |
6.25 |
7.27 |
- |
| Persentasie behoue na 1 jaar |
74.02 |
79.02 |
80.49 |
87.50 |
83.57 |
87.64 |
86.90 |
88.04 |
87.43 |
87.97 |
| Persentasie behoue na 2 jaar |
70.69 |
75.91 |
76.92 |
83.33 |
79.76 |
79.47 |
80.92 |
81.79 |
80.16 |
- |