| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
493 |
488 |
491 |
517 |
583 |
568 |
722 |
729 |
837 |
542 |
| Getal steeds ingeskryf na 1 jaar |
391 |
392 |
371 |
428 |
432 |
453 |
567 |
589 |
657 |
479 |
| Getal steeds ingeskryf na 2 jaar |
381 |
372 |
359 |
404 |
415 |
434 |
525 |
545 |
591 |
- |
| Getal verloor na 1 jaar |
102 |
96 |
120 |
89 |
151 |
115 |
155 |
140 |
180 |
63 |
| Getal verloor na 2 jaar |
112 |
116 |
132 |
113 |
168 |
134 |
197 |
184 |
246 |
- |
| Persentasie verloor na 1 jaar |
20.69 |
19.67 |
24.44 |
17.21 |
25.90 |
20.25 |
21.47 |
19.20 |
21.51 |
11.62 |
| Persentasie verloor na 2 jaar |
22.72 |
23.77 |
26.88 |
21.86 |
28.82 |
23.59 |
27.29 |
25.24 |
29.39 |
- |
Getal verloor in jaar 2 |
10 |
20 |
12 |
24 |
17 |
19 |
42 |
44 |
66 |
- |
| Persentasie verloor in jaar 2 |
2.03 |
4.10 |
2.44 |
4.64 |
2.92 |
3.35 |
5.82 |
6.04 |
7.89 |
- |
| Persentasie behoue na 1 jaar |
79.31 |
80.33 |
75.56 |
82.79 |
74.10 |
79.75 |
78.53 |
80.80 |
78.49 |
88.38 |
| Persentasie behoue na 2 jaar |
77.28 |
76.23 |
73.12 |
78.14 |
71.18 |
76.41 |
72.71 |
74.76 |
70.61 |
- |