| Beskrywing |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
| Getal inskrywings |
3634 |
3937 |
3938 |
4278 |
4402 |
4097 |
4224 |
4503 |
4560 |
4792 |
| Getal steeds ingeskryf na 1 jaar |
3085 |
3352 |
3354 |
3552 |
3712 |
3465 |
3706 |
3887 |
3959 |
4148 |
| Getal steeds ingeskryf na 2 jaar |
2863 |
3153 |
3109 |
3377 |
3545 |
3310 |
3532 |
3716 |
3684 |
- |
| Getal verloor na 1 jaar |
549 |
585 |
584 |
726 |
690 |
632 |
518 |
616 |
601 |
644 |
| Getal verloor na 2 jaar |
771 |
784 |
829 |
901 |
857 |
787 |
692 |
787 |
876 |
- |
| Persentasie verloor na 1 jaar |
15.11 |
14.86 |
14.83 |
16.97 |
15.67 |
15.43 |
12.26 |
13.68 |
13.18 |
13.44 |
| Persentasie verloor na 2 jaar |
21.22 |
19.91 |
21.05 |
21.06 |
19.47 |
19.21 |
16.38 |
17.48 |
19.21 |
- |
Getal verloor in jaar 2 |
222 |
199 |
245 |
175 |
167 |
155 |
174 |
171 |
275 |
- |
| Persentasie verloor in jaar 2 |
6.11 |
5.05 |
6.22 |
4.09 |
3.79 |
3.78 |
4.12 |
3.80 |
6.03 |
- |
| Persentasie behoue na 1 jaar |
84.89 |
85.14 |
85.17 |
83.03 |
84.33 |
84.57 |
87.74 |
86.32 |
86.82 |
86.56 |
| Persentasie behoue na 2 jaar |
78.78 |
80.09 |
78.95 |
78.94 |
80.53 |
80.79 |
83.62 |
82.52 |
80.79 |
- |