| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
664 |
654 |
625 |
677 |
702 |
705 |
740 |
735 |
752 |
773 |
| Getal steeds ingeskryf na 1 jaar |
545 |
532 |
517 |
566 |
590 |
572 |
590 |
602 |
655 |
664 |
| Getal steeds ingeskryf na 2 jaar |
470 |
481 |
464 |
529 |
559 |
544 |
566 |
582 |
633 |
- |
| Getal verloor na 1 jaar |
119 |
122 |
108 |
111 |
112 |
133 |
150 |
133 |
97 |
109 |
| Getal verloor na 2 jaar |
194 |
173 |
161 |
148 |
143 |
161 |
174 |
153 |
119 |
- |
| Persentasie verloor na 1 jaar |
17.92 |
18.65 |
17.28 |
16.40 |
15.95 |
18.87 |
20.27 |
18.10 |
12.90 |
14.10 |
| Persentasie verloor na 2 jaar |
29.22 |
26.45 |
25.76 |
21.86 |
20.37 |
22.84 |
23.51 |
20.82 |
15.82 |
- |
Getal verloor in jaar 2 |
75 |
51 |
53 |
37 |
31 |
28 |
24 |
20 |
22 |
- |
| Persentasie verloor in jaar 2 |
11.30 |
7.80 |
8.48 |
5.47 |
4.42 |
3.97 |
3.24 |
2.72 |
2.93 |
- |
| Persentasie behoue na 1 jaar |
82.08 |
81.35 |
82.72 |
83.60 |
84.05 |
81.13 |
79.73 |
81.90 |
87.10 |
85.90 |
| Persentasie behoue na 2 jaar |
70.78 |
73.55 |
74.24 |
78.14 |
79.63 |
77.16 |
76.49 |
79.18 |
84.18 |
- |