| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
220 |
202 |
184 |
216 |
239 |
279 |
351 |
283 |
234 |
222 |
| Getal steeds ingeskryf na 1 jaar |
152 |
143 |
144 |
174 |
206 |
232 |
289 |
235 |
197 |
187 |
| Getal steeds ingeskryf na 2 jaar |
139 |
133 |
133 |
163 |
180 |
207 |
264 |
206 |
180 |
- |
| Getal verloor na 1 jaar |
68 |
59 |
40 |
42 |
33 |
47 |
62 |
48 |
37 |
35 |
| Getal verloor na 2 jaar |
81 |
69 |
51 |
53 |
59 |
72 |
87 |
77 |
54 |
- |
| Persentasie verloor na 1 jaar |
30.91 |
29.21 |
21.74 |
19.44 |
13.81 |
16.85 |
17.66 |
16.96 |
15.81 |
15.77 |
| Persentasie verloor na 2 jaar |
36.82 |
34.16 |
27.72 |
24.54 |
24.69 |
25.81 |
24.79 |
27.21 |
23.08 |
- |
Getal verloor in jaar 2 |
13 |
10 |
11 |
11 |
26 |
25 |
25 |
29 |
17 |
- |
| Persentasie verloor in jaar 2 |
5.91 |
4.95 |
5.98 |
5.09 |
10.88 |
8.96 |
7.12 |
10.25 |
7.26 |
- |
| Persentasie behoue na 1 jaar |
69.09 |
70.79 |
78.26 |
80.56 |
86.19 |
83.15 |
82.34 |
83.04 |
84.19 |
84.23 |
| Persentasie behoue na 2 jaar |
63.18 |
65.84 |
72.28 |
75.46 |
75.31 |
74.19 |
75.21 |
72.79 |
76.92 |
- |