| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
175 |
195 |
177 |
188 |
190 |
171 |
253 |
285 |
287 |
165 |
| Getal steeds ingeskryf na 1 jaar |
139 |
154 |
149 |
158 |
160 |
149 |
209 |
220 |
224 |
138 |
| Getal steeds ingeskryf na 2 jaar |
132 |
146 |
136 |
143 |
152 |
134 |
187 |
197 |
208 |
- |
| Getal verloor na 1 jaar |
36 |
41 |
28 |
30 |
30 |
22 |
44 |
65 |
63 |
27 |
| Getal verloor na 2 jaar |
43 |
49 |
41 |
45 |
38 |
37 |
66 |
88 |
79 |
- |
| Persentasie verloor na 1 jaar |
20.57 |
21.03 |
15.82 |
15.96 |
15.79 |
12.87 |
17.39 |
22.81 |
21.95 |
16.36 |
| Persentasie verloor na 2 jaar |
24.57 |
25.13 |
23.16 |
23.94 |
20.00 |
21.64 |
26.09 |
30.88 |
27.53 |
- |
Getal verloor in jaar 2 |
7 |
8 |
13 |
15 |
8 |
15 |
22 |
23 |
16 |
- |
| Persentasie verloor in jaar 2 |
4.00 |
4.10 |
7.34 |
7.98 |
4.21 |
8.77 |
8.70 |
8.07 |
5.57 |
- |
| Persentasie behoue na 1 jaar |
79.43 |
78.97 |
84.18 |
84.04 |
84.21 |
87.13 |
82.61 |
77.19 |
78.05 |
83.64 |
| Persentasie behoue na 2 jaar |
75.43 |
74.87 |
76.84 |
76.06 |
80.00 |
78.36 |
73.91 |
69.12 |
72.47 |
- |