| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
594 |
515 |
548 |
603 |
620 |
825 |
878 |
857 |
852 |
942 |
| Getal steeds ingeskryf na 1 jaar |
508 |
438 |
486 |
526 |
543 |
744 |
799 |
761 |
754 |
842 |
| Getal steeds ingeskryf na 2 jaar |
480 |
417 |
455 |
503 |
502 |
696 |
755 |
691 |
697 |
- |
| Getal verloor na 1 jaar |
86 |
77 |
62 |
77 |
77 |
81 |
79 |
96 |
98 |
100 |
| Getal verloor na 2 jaar |
114 |
98 |
93 |
100 |
118 |
129 |
123 |
166 |
155 |
- |
| Persentasie verloor na 1 jaar |
14.48 |
14.95 |
11.31 |
12.77 |
12.42 |
9.82 |
9.00 |
11.20 |
11.50 |
10.62 |
| Persentasie verloor na 2 jaar |
19.19 |
19.03 |
16.97 |
16.58 |
19.03 |
15.64 |
14.01 |
19.37 |
18.19 |
- |
Getal verloor in jaar 2 |
28 |
21 |
31 |
23 |
41 |
48 |
44 |
70 |
57 |
- |
| Persentasie verloor in jaar 2 |
4.71 |
4.08 |
5.66 |
3.81 |
6.61 |
5.82 |
5.01 |
8.17 |
6.69 |
- |
| Persentasie behoue na 1 jaar |
85.52 |
85.05 |
88.69 |
87.23 |
87.58 |
90.18 |
91.00 |
88.80 |
88.50 |
89.38 |
| Persentasie behoue na 2 jaar |
80.81 |
80.97 |
83.03 |
83.42 |
80.97 |
84.36 |
85.99 |
80.63 |
81.81 |
- |