| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
4402 |
4097 |
4224 |
4503 |
4559 |
4793 |
5150 |
5173 |
4487 |
5146 |
| Getal steeds ingeskryf na 1 jaar |
3712 |
3465 |
3706 |
3889 |
3964 |
4175 |
4433 |
4453 |
4005 |
4512 |
| Getal steeds ingeskryf na 2 jaar |
3545 |
3311 |
3532 |
3720 |
3727 |
3866 |
4132 |
4115 |
3769 |
- |
| Getal verloor na 1 jaar |
690 |
632 |
518 |
614 |
595 |
618 |
717 |
720 |
482 |
634 |
| Getal verloor na 2 jaar |
857 |
786 |
692 |
783 |
832 |
927 |
1018 |
1058 |
718 |
- |
| Persentasie verloor na 1 jaar |
15.67 |
15.43 |
12.26 |
13.64 |
13.05 |
12.89 |
13.92 |
13.92 |
10.74 |
12.32 |
| Persentasie verloor na 2 jaar |
19.47 |
19.18 |
16.38 |
17.39 |
18.25 |
19.34 |
19.77 |
20.45 |
16.00 |
- |
Getal verloor in jaar 2 |
167 |
154 |
174 |
169 |
237 |
309 |
301 |
338 |
236 |
- |
| Persentasie verloor in jaar 2 |
3.79 |
3.76 |
4.12 |
3.75 |
5.20 |
6.45 |
5.84 |
6.53 |
5.26 |
- |
| Persentasie behoue na 1 jaar |
84.33 |
84.57 |
87.74 |
86.36 |
86.95 |
87.11 |
86.08 |
86.08 |
89.26 |
87.68 |
| Persentasie behoue na 2 jaar |
80.53 |
80.82 |
83.62 |
82.61 |
81.75 |
80.66 |
80.23 |
79.55 |
84.00 |
- |