| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
195 |
177 |
188 |
190 |
171 |
251 |
285 |
287 |
164 |
335 |
| Getal steeds ingeskryf na 1 jaar |
154 |
149 |
158 |
160 |
149 |
207 |
220 |
224 |
138 |
255 |
| Getal steeds ingeskryf na 2 jaar |
146 |
136 |
143 |
152 |
134 |
185 |
199 |
208 |
130 |
- |
| Getal verloor na 1 jaar |
41 |
28 |
30 |
30 |
22 |
44 |
65 |
63 |
26 |
80 |
| Getal verloor na 2 jaar |
49 |
41 |
45 |
38 |
37 |
66 |
86 |
79 |
34 |
- |
| Persentasie verloor na 1 jaar |
21.03 |
15.82 |
15.96 |
15.79 |
12.87 |
17.53 |
22.81 |
21.95 |
15.85 |
23.88 |
| Persentasie verloor na 2 jaar |
25.13 |
23.16 |
23.94 |
20.00 |
21.64 |
26.29 |
30.18 |
27.53 |
20.73 |
- |
Getal verloor in jaar 2 |
8 |
13 |
15 |
8 |
15 |
22 |
21 |
16 |
8 |
- |
| Persentasie verloor in jaar 2 |
4.10 |
7.34 |
7.98 |
4.21 |
8.77 |
8.76 |
7.37 |
5.57 |
4.88 |
- |
| Persentasie behoue na 1 jaar |
78.97 |
84.18 |
84.04 |
84.21 |
87.13 |
82.47 |
77.19 |
78.05 |
84.15 |
76.12 |
| Persentasie behoue na 2 jaar |
74.87 |
76.84 |
76.06 |
80.00 |
78.36 |
73.71 |
69.82 |
72.47 |
79.27 |
- |