| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
348 |
363 |
386 |
397 |
386 |
507 |
497 |
556 |
391 |
455 |
| Getal steeds ingeskryf na 1 jaar |
296 |
302 |
338 |
313 |
325 |
409 |
407 |
459 |
348 |
413 |
| Getal steeds ingeskryf na 2 jaar |
286 |
298 |
322 |
303 |
312 |
389 |
389 |
416 |
331 |
- |
| Getal verloor na 1 jaar |
52 |
61 |
48 |
84 |
61 |
98 |
90 |
97 |
43 |
42 |
| Getal verloor na 2 jaar |
62 |
65 |
64 |
94 |
74 |
118 |
108 |
140 |
60 |
- |
| Persentasie verloor na 1 jaar |
14.94 |
16.80 |
12.44 |
21.16 |
15.80 |
19.33 |
18.11 |
17.45 |
11.00 |
9.23 |
| Persentasie verloor na 2 jaar |
17.82 |
17.91 |
16.58 |
23.68 |
19.17 |
23.27 |
21.73 |
25.18 |
15.35 |
- |
Getal verloor in jaar 2 |
10 |
4 |
16 |
10 |
13 |
20 |
18 |
43 |
17 |
- |
| Persentasie verloor in jaar 2 |
2.87 |
1.10 |
4.15 |
2.52 |
3.37 |
3.94 |
3.62 |
7.73 |
4.35 |
- |
| Persentasie behoue na 1 jaar |
85.06 |
83.20 |
87.56 |
78.84 |
84.20 |
80.67 |
81.89 |
82.55 |
89.00 |
90.77 |
| Persentasie behoue na 2 jaar |
82.18 |
82.09 |
83.42 |
76.32 |
80.83 |
76.73 |
78.27 |
74.82 |
84.65 |
- |