| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
666 |
596 |
622 |
640 |
726 |
674 |
666 |
590 |
594 |
573 |
| Getal steeds ingeskryf na 1 jaar |
499 |
448 |
499 |
500 |
559 |
489 |
486 |
451 |
458 |
440 |
| Getal steeds ingeskryf na 2 jaar |
426 |
387 |
437 |
448 |
516 |
445 |
437 |
417 |
419 |
- |
| Getal verloor na 1 jaar |
167 |
148 |
123 |
140 |
167 |
185 |
180 |
139 |
136 |
133 |
| Getal verloor na 2 jaar |
240 |
209 |
185 |
192 |
210 |
229 |
229 |
173 |
175 |
- |
| Persentasie verloor na 1 jaar |
25.08 |
24.83 |
19.77 |
21.88 |
23.00 |
27.45 |
27.03 |
23.56 |
22.90 |
23.21 |
| Persentasie verloor na 2 jaar |
36.04 |
35.07 |
29.74 |
30.00 |
28.93 |
33.98 |
34.38 |
29.32 |
29.46 |
- |
Getal verloor in jaar 2 |
73 |
61 |
62 |
52 |
43 |
44 |
49 |
34 |
39 |
- |
| Persentasie verloor in jaar 2 |
10.96 |
10.23 |
9.97 |
8.12 |
5.92 |
6.53 |
7.36 |
5.76 |
6.57 |
- |
| Persentasie behoue na 1 jaar |
74.92 |
75.17 |
80.23 |
78.13 |
77.00 |
72.55 |
72.97 |
76.44 |
77.10 |
76.79 |
| Persentasie behoue na 2 jaar |
63.96 |
64.93 |
70.26 |
70.00 |
71.07 |
66.02 |
65.62 |
70.68 |
70.54 |
- |