| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
654 |
625 |
677 |
702 |
705 |
740 |
735 |
757 |
774 |
840 |
| Getal steeds ingeskryf na 1 jaar |
532 |
517 |
566 |
590 |
572 |
590 |
604 |
660 |
673 |
731 |
| Getal steeds ingeskryf na 2 jaar |
481 |
464 |
529 |
559 |
544 |
566 |
583 |
639 |
647 |
- |
| Getal verloor na 1 jaar |
122 |
108 |
111 |
112 |
133 |
150 |
131 |
97 |
101 |
109 |
| Getal verloor na 2 jaar |
173 |
161 |
148 |
143 |
161 |
174 |
152 |
118 |
127 |
- |
| Persentasie verloor na 1 jaar |
18.65 |
17.28 |
16.40 |
15.95 |
18.87 |
20.27 |
17.82 |
12.81 |
13.05 |
12.98 |
| Persentasie verloor na 2 jaar |
26.45 |
25.76 |
21.86 |
20.37 |
22.84 |
23.51 |
20.68 |
15.59 |
16.41 |
- |
Getal verloor in jaar 2 |
51 |
53 |
37 |
31 |
28 |
24 |
21 |
21 |
26 |
- |
| Persentasie verloor in jaar 2 |
7.80 |
8.48 |
5.47 |
4.42 |
3.97 |
3.24 |
2.86 |
2.77 |
3.36 |
- |
| Persentasie behoue na 1 jaar |
81.35 |
82.72 |
83.60 |
84.05 |
81.13 |
79.73 |
82.18 |
87.19 |
86.95 |
87.02 |
| Persentasie behoue na 2 jaar |
73.55 |
74.24 |
78.14 |
79.63 |
77.16 |
76.49 |
79.32 |
84.41 |
83.59 |
- |