| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
672 |
679 |
646 |
661 |
680 |
679 |
1016 |
1194 |
1055 |
779 |
| Getal steeds ingeskryf na 1 jaar |
506 |
517 |
506 |
535 |
531 |
571 |
825 |
948 |
852 |
645 |
| Getal steeds ingeskryf na 2 jaar |
461 |
478 |
473 |
492 |
503 |
518 |
731 |
856 |
767 |
- |
| Getal verloor na 1 jaar |
166 |
162 |
140 |
126 |
149 |
108 |
191 |
246 |
203 |
134 |
| Getal verloor na 2 jaar |
211 |
201 |
173 |
169 |
177 |
161 |
285 |
338 |
288 |
- |
| Persentasie verloor na 1 jaar |
24.70 |
23.86 |
21.67 |
19.06 |
21.91 |
15.91 |
18.80 |
20.60 |
19.24 |
17.20 |
| Persentasie verloor na 2 jaar |
31.40 |
29.60 |
26.78 |
25.57 |
26.03 |
23.71 |
28.05 |
28.31 |
27.30 |
- |
Getal verloor in jaar 2 |
45 |
39 |
33 |
43 |
28 |
53 |
94 |
92 |
85 |
- |
| Persentasie verloor in jaar 2 |
6.70 |
5.74 |
5.11 |
6.51 |
4.12 |
7.81 |
9.25 |
7.71 |
8.06 |
- |
| Persentasie behoue na 1 jaar |
75.30 |
76.14 |
78.33 |
80.94 |
78.09 |
84.09 |
81.20 |
79.40 |
80.76 |
82.80 |
| Persentasie behoue na 2 jaar |
68.60 |
70.40 |
73.22 |
74.43 |
73.97 |
76.29 |
71.95 |
71.69 |
72.70 |
- |