| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
613 |
556 |
583 |
615 |
565 |
539 |
532 |
480 |
396 |
508 |
| Getal steeds ingeskryf na 1 jaar |
503 |
465 |
504 |
527 |
486 |
459 |
435 |
398 |
360 |
419 |
| Getal steeds ingeskryf na 2 jaar |
473 |
435 |
469 |
499 |
448 |
412 |
399 |
367 |
343 |
- |
| Getal verloor na 1 jaar |
110 |
91 |
79 |
88 |
79 |
80 |
97 |
82 |
36 |
89 |
| Getal verloor na 2 jaar |
140 |
121 |
114 |
116 |
117 |
127 |
133 |
113 |
53 |
- |
| Persentasie verloor na 1 jaar |
17.94 |
16.37 |
13.55 |
14.31 |
13.98 |
14.84 |
18.23 |
17.08 |
9.09 |
17.52 |
| Persentasie verloor na 2 jaar |
22.84 |
21.76 |
19.55 |
18.86 |
20.71 |
23.56 |
25.00 |
23.54 |
13.38 |
- |
Getal verloor in jaar 2 |
30 |
30 |
35 |
28 |
38 |
47 |
36 |
31 |
17 |
- |
| Persentasie verloor in jaar 2 |
4.89 |
5.40 |
6.00 |
4.55 |
6.73 |
8.72 |
6.77 |
6.46 |
4.29 |
- |
| Persentasie behoue na 1 jaar |
82.06 |
83.63 |
86.45 |
85.69 |
86.02 |
85.16 |
81.77 |
82.92 |
90.91 |
82.48 |
| Persentasie behoue na 2 jaar |
77.16 |
78.24 |
80.45 |
81.14 |
79.29 |
76.44 |
75.00 |
76.46 |
86.62 |
- |