| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
518 |
594 |
515 |
548 |
603 |
620 |
826 |
878 |
857 |
853 |
| Getal steeds ingeskryf na 1 jaar |
449 |
508 |
438 |
486 |
526 |
543 |
745 |
799 |
761 |
751 |
| Getal steeds ingeskryf na 2 jaar |
418 |
480 |
417 |
455 |
503 |
502 |
697 |
753 |
688 |
- |
| Getal verloor na 1 jaar |
69 |
86 |
77 |
62 |
77 |
77 |
81 |
79 |
96 |
102 |
| Getal verloor na 2 jaar |
100 |
114 |
98 |
93 |
100 |
118 |
129 |
125 |
169 |
- |
| Persentasie verloor na 1 jaar |
13.32 |
14.48 |
14.95 |
11.31 |
12.77 |
12.42 |
9.81 |
9.00 |
11.20 |
11.96 |
| Persentasie verloor na 2 jaar |
19.31 |
19.19 |
19.03 |
16.97 |
16.58 |
19.03 |
15.62 |
14.24 |
19.72 |
- |
Getal verloor in jaar 2 |
31 |
28 |
21 |
31 |
23 |
41 |
48 |
46 |
73 |
- |
| Persentasie verloor in jaar 2 |
5.98 |
4.71 |
4.08 |
5.66 |
3.81 |
6.61 |
5.81 |
5.24 |
8.52 |
- |
| Persentasie behoue na 1 jaar |
86.68 |
85.52 |
85.05 |
88.69 |
87.23 |
87.58 |
90.19 |
91.00 |
88.80 |
88.04 |
| Persentasie behoue na 2 jaar |
80.69 |
80.81 |
80.97 |
83.03 |
83.42 |
80.97 |
84.38 |
85.76 |
80.28 |
- |