| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
160 |
291 |
265 |
241 |
220 |
213 |
172 |
230 |
201 |
251 |
| Getal steeds ingeskryf na 1 jaar |
142 |
259 |
221 |
208 |
196 |
179 |
161 |
194 |
170 |
209 |
| Getal steeds ingeskryf na 2 jaar |
135 |
245 |
215 |
197 |
187 |
163 |
153 |
186 |
159 |
- |
| Getal verloor na 1 jaar |
18 |
32 |
44 |
33 |
24 |
34 |
11 |
36 |
31 |
42 |
| Getal verloor na 2 jaar |
25 |
46 |
50 |
44 |
33 |
50 |
19 |
44 |
42 |
- |
| Persentasie verloor na 1 jaar |
11.25 |
11.00 |
16.60 |
13.69 |
10.91 |
15.96 |
6.40 |
15.65 |
15.42 |
16.73 |
| Persentasie verloor na 2 jaar |
15.63 |
15.81 |
18.87 |
18.26 |
15.00 |
23.47 |
11.05 |
19.13 |
20.90 |
- |
Getal verloor in jaar 2 |
7 |
14 |
6 |
11 |
9 |
16 |
8 |
8 |
11 |
- |
| Persentasie verloor in jaar 2 |
4.37 |
4.81 |
2.26 |
4.56 |
4.09 |
7.51 |
4.65 |
3.48 |
5.47 |
- |
| Persentasie behoue na 1 jaar |
88.75 |
89.00 |
83.40 |
86.31 |
89.09 |
84.04 |
93.60 |
84.35 |
84.58 |
83.27 |
| Persentasie behoue na 2 jaar |
84.38 |
84.19 |
81.13 |
81.74 |
85.00 |
76.53 |
88.95 |
80.87 |
79.10 |
- |