| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
389 |
369 |
411 |
501 |
525 |
436 |
566 |
515 |
434 |
507 |
| Getal steeds ingeskryf na 1 jaar |
308 |
297 |
360 |
419 |
460 |
380 |
499 |
452 |
383 |
453 |
| Getal steeds ingeskryf na 2 jaar |
296 |
284 |
343 |
400 |
417 |
354 |
465 |
416 |
368 |
- |
| Getal verloor na 1 jaar |
81 |
72 |
51 |
82 |
65 |
56 |
67 |
63 |
51 |
54 |
| Getal verloor na 2 jaar |
93 |
85 |
68 |
101 |
108 |
82 |
101 |
99 |
66 |
- |
| Persentasie verloor na 1 jaar |
20.82 |
19.51 |
12.41 |
16.37 |
12.38 |
12.84 |
11.84 |
12.23 |
11.75 |
10.65 |
| Persentasie verloor na 2 jaar |
23.91 |
23.04 |
16.55 |
20.16 |
20.57 |
18.81 |
17.84 |
19.22 |
15.21 |
- |
Getal verloor in jaar 2 |
12 |
13 |
17 |
19 |
43 |
26 |
34 |
36 |
15 |
- |
| Persentasie verloor in jaar 2 |
3.08 |
3.52 |
4.14 |
3.79 |
8.19 |
5.96 |
6.01 |
6.99 |
3.46 |
- |
| Persentasie behoue na 1 jaar |
79.18 |
80.49 |
87.59 |
83.63 |
87.62 |
87.16 |
88.16 |
87.77 |
88.25 |
89.35 |
| Persentasie behoue na 2 jaar |
76.09 |
76.96 |
83.45 |
79.84 |
79.43 |
81.19 |
82.16 |
80.78 |
84.79 |
- |