| Beskrywing |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
| Getal inskrywings |
292 |
279 |
263 |
241 |
215 |
301 |
287 |
333 |
267 |
265 |
| Getal steeds ingeskryf na 1 jaar |
249 |
250 |
238 |
204 |
201 |
257 |
244 |
272 |
233 |
231 |
| Getal steeds ingeskryf na 2 jaar |
243 |
241 |
229 |
191 |
188 |
245 |
231 |
253 |
217 |
- |
| Getal verloor na 1 jaar |
43 |
29 |
25 |
37 |
14 |
44 |
43 |
61 |
34 |
34 |
| Getal verloor na 2 jaar |
49 |
38 |
34 |
50 |
27 |
56 |
56 |
80 |
50 |
- |
| Persentasie verloor na 1 jaar |
14.73 |
10.39 |
9.51 |
15.35 |
6.51 |
14.62 |
14.98 |
18.32 |
12.73 |
12.83 |
| Persentasie verloor na 2 jaar |
16.78 |
13.62 |
12.93 |
20.75 |
12.56 |
18.60 |
19.51 |
24.02 |
18.73 |
- |
Getal verloor in jaar 2 |
6 |
9 |
9 |
13 |
13 |
12 |
13 |
19 |
16 |
- |
| Persentasie verloor in jaar 2 |
2.05 |
3.23 |
3.42 |
5.39 |
6.05 |
3.99 |
4.53 |
5.71 |
5.99 |
- |
| Persentasie behoue na 1 jaar |
85.27 |
89.61 |
90.49 |
84.65 |
93.49 |
85.38 |
85.02 |
81.68 |
87.27 |
87.17 |
| Persentasie behoue na 2 jaar |
83.22 |
86.38 |
87.07 |
79.25 |
87.44 |
81.40 |
80.49 |
75.98 |
81.27 |
- |