| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
167 |
190 |
152 |
163 |
186 |
182 |
131 |
205 |
190 |
116 |
| Getal steeds ingeskryf na 1 jaar |
133 |
144 |
119 |
127 |
158 |
149 |
108 |
156 |
151 |
101 |
| Getal steeds ingeskryf na 2 jaar |
123 |
127 |
109 |
119 |
143 |
131 |
94 |
140 |
136 |
- |
| Getal verloor na 1 jaar |
34 |
46 |
33 |
36 |
28 |
33 |
23 |
49 |
39 |
15 |
| Getal verloor na 2 jaar |
44 |
63 |
43 |
44 |
43 |
51 |
37 |
65 |
54 |
- |
| Persentasie verloor na 1 jaar |
20.36 |
24.21 |
21.71 |
22.09 |
15.05 |
18.13 |
17.56 |
23.90 |
20.53 |
12.93 |
| Persentasie verloor na 2 jaar |
26.35 |
33.16 |
28.29 |
26.99 |
23.12 |
28.02 |
28.24 |
31.71 |
28.42 |
- |
Getal verloor in jaar 2 |
10 |
17 |
10 |
8 |
15 |
18 |
14 |
16 |
15 |
- |
| Persentasie verloor in jaar 2 |
5.99 |
8.95 |
6.58 |
4.91 |
8.06 |
9.89 |
10.69 |
7.80 |
7.89 |
- |
| Persentasie behoue na 1 jaar |
79.64 |
75.79 |
78.29 |
77.91 |
84.95 |
81.87 |
82.44 |
76.10 |
79.47 |
87.07 |
| Persentasie behoue na 2 jaar |
73.65 |
66.84 |
71.71 |
73.01 |
76.88 |
71.98 |
71.76 |
68.29 |
71.58 |
- |