| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
291 |
300 |
297 |
322 |
318 |
290 |
396 |
486 |
457 |
281 |
| Getal steeds ingeskryf na 1 jaar |
230 |
229 |
248 |
257 |
260 |
250 |
314 |
376 |
358 |
229 |
| Getal steeds ingeskryf na 2 jaar |
218 |
214 |
225 |
235 |
244 |
225 |
275 |
333 |
324 |
- |
| Getal verloor na 1 jaar |
61 |
71 |
49 |
65 |
58 |
40 |
82 |
110 |
99 |
52 |
| Getal verloor na 2 jaar |
73 |
86 |
72 |
87 |
74 |
65 |
121 |
153 |
133 |
- |
| Persentasie verloor na 1 jaar |
20.96 |
23.67 |
16.50 |
20.19 |
18.24 |
13.79 |
20.71 |
22.63 |
21.66 |
18.51 |
| Persentasie verloor na 2 jaar |
25.09 |
28.67 |
24.24 |
27.02 |
23.27 |
22.41 |
30.56 |
31.48 |
29.10 |
- |
Getal verloor in jaar 2 |
12 |
15 |
23 |
22 |
16 |
25 |
39 |
43 |
34 |
- |
| Persentasie verloor in jaar 2 |
4.12 |
5.00 |
7.74 |
6.83 |
5.03 |
8.62 |
9.85 |
8.85 |
7.44 |
- |
| Persentasie behoue na 1 jaar |
79.04 |
76.33 |
83.50 |
79.81 |
81.76 |
86.21 |
79.29 |
77.37 |
78.34 |
81.49 |
| Persentasie behoue na 2 jaar |
74.91 |
71.33 |
75.76 |
72.98 |
76.73 |
77.59 |
69.44 |
68.52 |
70.90 |
- |