| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
198 |
205 |
218 |
190 |
221 |
178 |
186 |
181 |
135 |
189 |
| Getal steeds ingeskryf na 1 jaar |
133 |
157 |
185 |
149 |
175 |
141 |
160 |
160 |
123 |
171 |
| Getal steeds ingeskryf na 2 jaar |
125 |
147 |
169 |
139 |
159 |
125 |
141 |
142 |
114 |
- |
| Getal verloor na 1 jaar |
65 |
48 |
33 |
41 |
46 |
37 |
26 |
21 |
12 |
18 |
| Getal verloor na 2 jaar |
73 |
58 |
49 |
51 |
62 |
53 |
45 |
39 |
21 |
- |
| Persentasie verloor na 1 jaar |
32.83 |
23.41 |
15.14 |
21.58 |
20.81 |
20.79 |
13.98 |
11.60 |
8.89 |
9.52 |
| Persentasie verloor na 2 jaar |
36.87 |
28.29 |
22.48 |
26.84 |
28.05 |
29.78 |
24.19 |
21.55 |
15.56 |
- |
Getal verloor in jaar 2 |
8 |
10 |
16 |
10 |
16 |
16 |
19 |
18 |
9 |
- |
| Persentasie verloor in jaar 2 |
4.04 |
4.88 |
7.34 |
5.26 |
7.24 |
8.99 |
10.22 |
9.94 |
6.67 |
- |
| Persentasie behoue na 1 jaar |
67.17 |
76.59 |
84.86 |
78.42 |
79.19 |
79.21 |
86.02 |
88.40 |
91.11 |
90.48 |
| Persentasie behoue na 2 jaar |
63.13 |
71.71 |
77.52 |
73.16 |
71.95 |
70.22 |
75.81 |
78.45 |
84.44 |
- |