| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
196 |
220 |
219 |
173 |
210 |
234 |
277 |
363 |
432 |
373 |
| Getal steeds ingeskryf na 1 jaar |
147 |
166 |
163 |
115 |
158 |
179 |
225 |
305 |
340 |
314 |
| Getal steeds ingeskryf na 2 jaar |
139 |
158 |
136 |
111 |
150 |
151 |
197 |
267 |
275 |
- |
| Getal verloor na 1 jaar |
49 |
54 |
56 |
58 |
52 |
55 |
52 |
58 |
92 |
59 |
| Getal verloor na 2 jaar |
57 |
62 |
83 |
62 |
60 |
83 |
80 |
96 |
157 |
- |
| Persentasie verloor na 1 jaar |
25.00 |
24.55 |
25.57 |
33.53 |
24.76 |
23.50 |
18.77 |
15.98 |
21.30 |
15.82 |
| Persentasie verloor na 2 jaar |
29.08 |
28.18 |
37.90 |
35.84 |
28.57 |
35.47 |
28.88 |
26.45 |
36.34 |
- |
Getal verloor in jaar 2 |
8 |
8 |
27 |
4 |
8 |
28 |
28 |
38 |
65 |
- |
| Persentasie verloor in jaar 2 |
4.08 |
3.64 |
12.33 |
2.31 |
3.81 |
11.97 |
10.11 |
10.47 |
15.05 |
- |
| Persentasie behoue na 1 jaar |
75.00 |
75.45 |
74.43 |
66.47 |
75.24 |
76.50 |
81.23 |
84.02 |
78.70 |
84.18 |
| Persentasie behoue na 2 jaar |
70.92 |
71.82 |
62.10 |
64.16 |
71.43 |
64.53 |
71.12 |
73.55 |
63.66 |
- |