| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
630 |
614 |
560 |
585 |
614 |
565 |
534 |
535 |
478 |
405 |
| Getal steeds ingeskryf na 1 jaar |
517 |
504 |
468 |
506 |
526 |
486 |
454 |
437 |
395 |
369 |
| Getal steeds ingeskryf na 2 jaar |
491 |
473 |
438 |
471 |
498 |
448 |
408 |
400 |
364 |
- |
| Getal verloor na 1 jaar |
113 |
110 |
92 |
79 |
88 |
79 |
80 |
98 |
83 |
36 |
| Getal verloor na 2 jaar |
139 |
141 |
122 |
114 |
116 |
117 |
126 |
135 |
114 |
- |
| Persentasie verloor na 1 jaar |
17.94 |
17.92 |
16.43 |
13.50 |
14.33 |
13.98 |
14.98 |
18.32 |
17.36 |
8.89 |
| Persentasie verloor na 2 jaar |
22.06 |
22.96 |
21.79 |
19.49 |
18.89 |
20.71 |
23.60 |
25.23 |
23.85 |
- |
Getal verloor in jaar 2 |
26 |
31 |
30 |
35 |
28 |
38 |
46 |
37 |
31 |
- |
| Persentasie verloor in jaar 2 |
4.13 |
5.05 |
5.36 |
5.98 |
4.56 |
6.73 |
8.61 |
6.92 |
6.49 |
- |
| Persentasie behoue na 1 jaar |
82.06 |
82.08 |
83.57 |
86.50 |
85.67 |
86.02 |
85.02 |
81.68 |
82.64 |
91.11 |
| Persentasie behoue na 2 jaar |
77.94 |
77.04 |
78.21 |
80.51 |
81.11 |
79.29 |
76.40 |
74.77 |
76.15 |
- |