| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
779 |
725 |
702 |
777 |
781 |
673 |
681 |
645 |
663 |
683 |
| Getal steeds ingeskryf na 1 jaar |
589 |
562 |
577 |
615 |
614 |
507 |
519 |
504 |
533 |
523 |
| Getal steeds ingeskryf na 2 jaar |
504 |
499 |
503 |
551 |
567 |
462 |
479 |
471 |
487 |
- |
| Getal verloor na 1 jaar |
190 |
163 |
125 |
162 |
167 |
166 |
162 |
141 |
130 |
160 |
| Getal verloor na 2 jaar |
275 |
226 |
199 |
226 |
214 |
211 |
202 |
174 |
176 |
- |
| Persentasie verloor na 1 jaar |
24.39 |
22.48 |
17.81 |
20.85 |
21.38 |
24.67 |
23.79 |
21.86 |
19.61 |
23.43 |
| Persentasie verloor na 2 jaar |
35.30 |
31.17 |
28.35 |
29.09 |
27.40 |
31.35 |
29.66 |
26.98 |
26.55 |
- |
Getal verloor in jaar 2 |
85 |
63 |
74 |
64 |
47 |
45 |
40 |
33 |
46 |
- |
| Persentasie verloor in jaar 2 |
10.91 |
8.69 |
10.54 |
8.24 |
6.02 |
6.69 |
5.87 |
5.12 |
6.94 |
- |
| Persentasie behoue na 1 jaar |
75.61 |
77.52 |
82.19 |
79.15 |
78.62 |
75.33 |
76.21 |
78.14 |
80.39 |
76.57 |
| Persentasie behoue na 2 jaar |
64.70 |
68.83 |
71.65 |
70.91 |
72.60 |
68.65 |
70.34 |
73.02 |
73.45 |
- |