| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
519 |
683 |
775 |
663 |
705 |
735 |
801 |
742 |
856 |
870 |
| Getal steeds ingeskryf na 1 jaar |
397 |
505 |
578 |
499 |
575 |
585 |
638 |
604 |
695 |
710 |
| Getal steeds ingeskryf na 2 jaar |
344 |
461 |
526 |
457 |
532 |
543 |
585 |
525 |
616 |
- |
| Getal verloor na 1 jaar |
122 |
178 |
197 |
164 |
130 |
150 |
163 |
138 |
161 |
160 |
| Getal verloor na 2 jaar |
175 |
222 |
249 |
206 |
173 |
192 |
216 |
217 |
240 |
- |
| Persentasie verloor na 1 jaar |
23.51 |
26.06 |
25.42 |
24.74 |
18.44 |
20.41 |
20.35 |
18.60 |
18.81 |
18.39 |
| Persentasie verloor na 2 jaar |
33.72 |
32.50 |
32.13 |
31.07 |
24.54 |
26.12 |
26.97 |
29.25 |
28.04 |
- |
Getal verloor in jaar 2 |
53 |
44 |
52 |
42 |
43 |
42 |
53 |
79 |
79 |
- |
| Persentasie verloor in jaar 2 |
10.21 |
6.44 |
6.71 |
6.33 |
6.10 |
5.71 |
6.62 |
10.65 |
9.23 |
- |
| Persentasie behoue na 1 jaar |
76.49 |
73.94 |
74.58 |
75.26 |
81.56 |
79.59 |
79.65 |
81.40 |
81.19 |
81.61 |
| Persentasie behoue na 2 jaar |
66.28 |
67.50 |
67.87 |
68.93 |
75.46 |
73.88 |
73.03 |
70.75 |
71.96 |
- |