| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
673 |
657 |
570 |
569 |
559 |
556 |
776 |
837 |
706 |
520 |
| Getal steeds ingeskryf na 1 jaar |
488 |
478 |
434 |
436 |
434 |
450 |
628 |
647 |
573 |
449 |
| Getal steeds ingeskryf na 2 jaar |
444 |
428 |
399 |
400 |
410 |
413 |
550 |
578 |
511 |
- |
| Getal verloor na 1 jaar |
185 |
179 |
136 |
133 |
125 |
106 |
148 |
190 |
133 |
71 |
| Getal verloor na 2 jaar |
229 |
229 |
171 |
169 |
149 |
143 |
226 |
259 |
195 |
- |
| Persentasie verloor na 1 jaar |
27.49 |
27.25 |
23.86 |
23.37 |
22.36 |
19.06 |
19.07 |
22.70 |
18.84 |
13.65 |
| Persentasie verloor na 2 jaar |
34.03 |
34.86 |
30.00 |
29.70 |
26.65 |
25.72 |
29.12 |
30.94 |
27.62 |
- |
Getal verloor in jaar 2 |
44 |
50 |
35 |
36 |
24 |
37 |
78 |
69 |
62 |
- |
| Persentasie verloor in jaar 2 |
6.54 |
7.61 |
6.14 |
6.33 |
4.29 |
6.65 |
10.05 |
8.24 |
8.78 |
- |
| Persentasie behoue na 1 jaar |
72.51 |
72.75 |
76.14 |
76.63 |
77.64 |
80.94 |
80.93 |
77.30 |
81.16 |
86.35 |
| Persentasie behoue na 2 jaar |
65.97 |
65.14 |
70.00 |
70.30 |
73.35 |
74.28 |
70.88 |
69.06 |
72.38 |
- |