| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
200 |
206 |
187 |
212 |
234 |
236 |
308 |
254 |
203 |
211 |
| Getal steeds ingeskryf na 1 jaar |
126 |
145 |
144 |
169 |
188 |
187 |
259 |
214 |
174 |
180 |
| Getal steeds ingeskryf na 2 jaar |
114 |
132 |
135 |
159 |
175 |
162 |
236 |
181 |
159 |
- |
| Getal verloor na 1 jaar |
74 |
61 |
43 |
43 |
46 |
49 |
49 |
40 |
29 |
31 |
| Getal verloor na 2 jaar |
86 |
74 |
52 |
53 |
59 |
74 |
72 |
73 |
44 |
- |
| Persentasie verloor na 1 jaar |
37.00 |
29.61 |
22.99 |
20.28 |
19.66 |
20.76 |
15.91 |
15.75 |
14.29 |
14.69 |
| Persentasie verloor na 2 jaar |
43.00 |
35.92 |
27.81 |
25.00 |
25.21 |
31.36 |
23.38 |
28.74 |
21.67 |
- |
Getal verloor in jaar 2 |
12 |
13 |
9 |
10 |
13 |
25 |
23 |
33 |
15 |
- |
| Persentasie verloor in jaar 2 |
6.00 |
6.31 |
4.81 |
4.72 |
5.56 |
10.59 |
7.47 |
12.99 |
7.39 |
- |
| Persentasie behoue na 1 jaar |
63.00 |
70.39 |
77.01 |
79.72 |
80.34 |
79.24 |
84.09 |
84.25 |
85.71 |
85.31 |
| Persentasie behoue na 2 jaar |
57.00 |
64.08 |
72.19 |
75.00 |
74.79 |
68.64 |
76.62 |
71.26 |
78.33 |
- |