| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
656 |
562 |
570 |
560 |
553 |
776 |
837 |
707 |
515 |
664 |
| Getal steeds ingeskryf na 1 jaar |
476 |
427 |
437 |
435 |
447 |
628 |
647 |
574 |
446 |
532 |
| Getal steeds ingeskryf na 2 jaar |
427 |
392 |
401 |
411 |
410 |
550 |
580 |
511 |
397 |
- |
| Getal verloor na 1 jaar |
180 |
135 |
133 |
125 |
106 |
148 |
190 |
133 |
69 |
132 |
| Getal verloor na 2 jaar |
229 |
170 |
169 |
149 |
143 |
226 |
257 |
196 |
118 |
- |
| Persentasie verloor na 1 jaar |
27.44 |
24.02 |
23.33 |
22.32 |
19.17 |
19.07 |
22.70 |
18.81 |
13.40 |
19.88 |
| Persentasie verloor na 2 jaar |
34.91 |
30.25 |
29.65 |
26.61 |
25.86 |
29.12 |
30.70 |
27.72 |
22.91 |
- |
Getal verloor in jaar 2 |
49 |
35 |
36 |
24 |
37 |
78 |
67 |
63 |
49 |
- |
| Persentasie verloor in jaar 2 |
7.47 |
6.23 |
6.32 |
4.29 |
6.69 |
10.05 |
8.00 |
8.91 |
9.51 |
- |
| Persentasie behoue na 1 jaar |
72.56 |
75.98 |
76.67 |
77.68 |
80.83 |
80.93 |
77.30 |
81.19 |
86.60 |
80.12 |
| Persentasie behoue na 2 jaar |
65.09 |
69.75 |
70.35 |
73.39 |
74.14 |
70.88 |
69.30 |
72.28 |
77.09 |
- |