| Beskrywing |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
| Getal inskrywings |
491 |
517 |
582 |
569 |
722 |
729 |
837 |
542 |
653 |
738 |
| Getal steeds ingeskryf na 1 jaar |
371 |
428 |
432 |
453 |
567 |
589 |
658 |
479 |
586 |
631 |
| Getal steeds ingeskryf na 2 jaar |
359 |
404 |
415 |
434 |
527 |
545 |
591 |
454 |
540 |
- |
| Getal verloor na 1 jaar |
120 |
89 |
150 |
116 |
155 |
140 |
179 |
63 |
67 |
107 |
| Getal verloor na 2 jaar |
132 |
113 |
167 |
135 |
195 |
184 |
246 |
88 |
113 |
- |
| Persentasie verloor na 1 jaar |
24.44 |
17.21 |
25.77 |
20.39 |
21.47 |
19.20 |
21.39 |
11.62 |
10.26 |
14.50 |
| Persentasie verloor na 2 jaar |
26.88 |
21.86 |
28.69 |
23.73 |
27.01 |
25.24 |
29.39 |
16.24 |
17.30 |
- |
Getal verloor in jaar 2 |
12 |
24 |
17 |
19 |
40 |
44 |
67 |
25 |
46 |
- |
| Persentasie verloor in jaar 2 |
2.44 |
4.64 |
2.92 |
3.34 |
5.54 |
6.04 |
8.00 |
4.61 |
7.04 |
- |
| Persentasie behoue na 1 jaar |
75.56 |
82.79 |
74.23 |
79.61 |
78.53 |
80.80 |
78.61 |
88.38 |
89.74 |
85.50 |
| Persentasie behoue na 2 jaar |
73.12 |
78.14 |
71.31 |
76.27 |
72.99 |
74.76 |
70.61 |
83.76 |
82.70 |
- |