| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
4278 |
4402 |
4097 |
4224 |
4503 |
4559 |
4793 |
5150 |
5172 |
4487 |
| Getal steeds ingeskryf na 1 jaar |
3552 |
3712 |
3465 |
3706 |
3887 |
3964 |
4175 |
4432 |
4451 |
3992 |
| Getal steeds ingeskryf na 2 jaar |
3377 |
3545 |
3311 |
3532 |
3718 |
3727 |
3866 |
4124 |
4096 |
- |
| Getal verloor na 1 jaar |
726 |
690 |
632 |
518 |
616 |
595 |
618 |
718 |
721 |
495 |
| Getal verloor na 2 jaar |
901 |
857 |
786 |
692 |
785 |
832 |
927 |
1026 |
1076 |
- |
| Persentasie verloor na 1 jaar |
16.97 |
15.67 |
15.43 |
12.26 |
13.68 |
13.05 |
12.89 |
13.94 |
13.94 |
11.03 |
| Persentasie verloor na 2 jaar |
21.06 |
19.47 |
19.18 |
16.38 |
17.43 |
18.25 |
19.34 |
19.92 |
20.80 |
- |
Getal verloor in jaar 2 |
175 |
167 |
154 |
174 |
169 |
237 |
309 |
308 |
355 |
- |
| Persentasie verloor in jaar 2 |
4.09 |
3.79 |
3.76 |
4.12 |
3.75 |
5.20 |
6.45 |
5.98 |
6.86 |
- |
| Persentasie behoue na 1 jaar |
83.03 |
84.33 |
84.57 |
87.74 |
86.32 |
86.95 |
87.11 |
86.06 |
86.06 |
88.97 |
| Persentasie behoue na 2 jaar |
78.94 |
80.53 |
80.82 |
83.62 |
82.57 |
81.75 |
80.66 |
80.08 |
79.20 |
- |