| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
233 |
217 |
242 |
289 |
340 |
379 |
295 |
278 |
387 |
327 |
| Getal steeds ingeskryf na 1 jaar |
207 |
193 |
221 |
278 |
306 |
357 |
282 |
268 |
367 |
307 |
| Getal steeds ingeskryf na 2 jaar |
200 |
189 |
217 |
274 |
298 |
345 |
275 |
263 |
354 |
- |
| Getal verloor na 1 jaar |
26 |
24 |
21 |
11 |
34 |
22 |
13 |
10 |
20 |
20 |
| Getal verloor na 2 jaar |
33 |
28 |
25 |
15 |
42 |
34 |
20 |
15 |
33 |
- |
| Persentasie verloor na 1 jaar |
11.16 |
11.06 |
8.68 |
3.81 |
10.00 |
5.80 |
4.41 |
3.60 |
5.17 |
6.12 |
| Persentasie verloor na 2 jaar |
14.16 |
12.90 |
10.33 |
5.19 |
12.35 |
8.97 |
6.78 |
5.40 |
8.53 |
- |
Getal verloor in jaar 2 |
7 |
4 |
4 |
4 |
8 |
12 |
7 |
5 |
13 |
- |
| Persentasie verloor in jaar 2 |
3.00 |
1.84 |
1.65 |
1.38 |
2.35 |
3.17 |
2.37 |
1.80 |
3.36 |
- |
| Persentasie behoue na 1 jaar |
88.84 |
88.94 |
91.32 |
96.19 |
90.00 |
94.20 |
95.59 |
96.40 |
94.83 |
93.88 |
| Persentasie behoue na 2 jaar |
85.84 |
87.10 |
89.67 |
94.81 |
87.65 |
91.03 |
93.22 |
94.60 |
91.47 |
- |