| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
315 |
341 |
350 |
431 |
441 |
378 |
487 |
492 |
354 |
521 |
| Getal steeds ingeskryf na 1 jaar |
255 |
298 |
297 |
370 |
374 |
318 |
400 |
403 |
305 |
430 |
| Getal steeds ingeskryf na 2 jaar |
241 |
277 |
278 |
345 |
343 |
293 |
366 |
374 |
287 |
- |
| Getal verloor na 1 jaar |
60 |
43 |
53 |
61 |
67 |
60 |
87 |
89 |
49 |
91 |
| Getal verloor na 2 jaar |
74 |
64 |
72 |
86 |
98 |
85 |
121 |
118 |
67 |
- |
| Persentasie verloor na 1 jaar |
19.05 |
12.61 |
15.14 |
14.15 |
15.19 |
15.87 |
17.86 |
18.09 |
13.84 |
17.47 |
| Persentasie verloor na 2 jaar |
23.49 |
18.77 |
20.57 |
19.95 |
22.22 |
22.49 |
24.85 |
23.98 |
18.93 |
- |
Getal verloor in jaar 2 |
14 |
21 |
19 |
25 |
31 |
25 |
34 |
29 |
18 |
- |
| Persentasie verloor in jaar 2 |
4.44 |
6.16 |
5.43 |
5.80 |
7.03 |
6.61 |
6.98 |
5.89 |
5.08 |
- |
| Persentasie behoue na 1 jaar |
80.95 |
87.39 |
84.86 |
85.85 |
84.81 |
84.13 |
82.14 |
81.91 |
86.16 |
82.53 |
| Persentasie behoue na 2 jaar |
76.51 |
81.23 |
79.43 |
80.05 |
77.78 |
77.51 |
75.15 |
76.02 |
81.07 |
- |