| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
317 |
292 |
279 |
263 |
241 |
215 |
301 |
286 |
332 |
267 |
| Getal steeds ingeskryf na 1 jaar |
283 |
249 |
250 |
238 |
204 |
201 |
257 |
243 |
271 |
221 |
| Getal steeds ingeskryf na 2 jaar |
269 |
243 |
241 |
229 |
191 |
188 |
244 |
230 |
244 |
- |
| Getal verloor na 1 jaar |
34 |
43 |
29 |
25 |
37 |
14 |
44 |
43 |
61 |
46 |
| Getal verloor na 2 jaar |
48 |
49 |
38 |
34 |
50 |
27 |
57 |
56 |
88 |
- |
| Persentasie verloor na 1 jaar |
10.73 |
14.73 |
10.39 |
9.51 |
15.35 |
6.51 |
14.62 |
15.03 |
18.37 |
17.23 |
| Persentasie verloor na 2 jaar |
15.14 |
16.78 |
13.62 |
12.93 |
20.75 |
12.56 |
18.94 |
19.58 |
26.51 |
- |
Getal verloor in jaar 2 |
14 |
6 |
9 |
9 |
13 |
13 |
13 |
13 |
27 |
- |
| Persentasie verloor in jaar 2 |
4.42 |
2.05 |
3.23 |
3.42 |
5.39 |
6.05 |
4.32 |
4.55 |
8.13 |
- |
| Persentasie behoue na 1 jaar |
89.27 |
85.27 |
89.61 |
90.49 |
84.65 |
93.49 |
85.38 |
84.97 |
81.63 |
82.77 |
| Persentasie behoue na 2 jaar |
84.86 |
83.22 |
86.38 |
87.07 |
79.25 |
87.44 |
81.06 |
80.42 |
73.49 |
- |