| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
142 |
203 |
228 |
193 |
207 |
234 |
304 |
393 |
350 |
509 |
| Getal steeds ingeskryf na 1 jaar |
126 |
170 |
193 |
156 |
159 |
189 |
264 |
316 |
303 |
405 |
| Getal steeds ingeskryf na 2 jaar |
128 |
157 |
189 |
148 |
144 |
176 |
234 |
274 |
273 |
- |
| Getal verloor na 1 jaar |
16 |
33 |
35 |
37 |
48 |
45 |
40 |
77 |
47 |
104 |
| Getal verloor na 2 jaar |
14 |
46 |
39 |
45 |
63 |
58 |
70 |
119 |
77 |
- |
| Persentasie verloor na 1 jaar |
11.27 |
16.26 |
15.35 |
19.17 |
23.19 |
19.23 |
13.16 |
19.59 |
13.43 |
20.43 |
| Persentasie verloor na 2 jaar |
9.86 |
22.66 |
17.11 |
23.32 |
30.43 |
24.79 |
23.03 |
30.28 |
22.00 |
- |
Getal verloor in jaar 2 |
-2 |
13 |
4 |
8 |
15 |
13 |
30 |
42 |
30 |
- |
| Persentasie verloor in jaar 2 |
-1.41 |
6.40 |
1.75 |
4.15 |
7.25 |
5.56 |
9.87 |
10.69 |
8.57 |
- |
| Persentasie behoue na 1 jaar |
88.73 |
83.74 |
84.65 |
80.83 |
76.81 |
80.77 |
86.84 |
80.41 |
86.57 |
79.57 |
| Persentasie behoue na 2 jaar |
90.14 |
77.34 |
82.89 |
76.68 |
69.57 |
75.21 |
76.97 |
69.72 |
78.00 |
- |