| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
189 |
233 |
218 |
240 |
288 |
338 |
380 |
290 |
272 |
369 |
| Getal steeds ingeskryf na 1 jaar |
170 |
207 |
194 |
219 |
277 |
304 |
357 |
277 |
262 |
350 |
| Getal steeds ingeskryf na 2 jaar |
158 |
200 |
190 |
215 |
273 |
296 |
345 |
270 |
257 |
- |
| Getal verloor na 1 jaar |
19 |
26 |
24 |
21 |
11 |
34 |
23 |
13 |
10 |
19 |
| Getal verloor na 2 jaar |
31 |
33 |
28 |
25 |
15 |
42 |
35 |
20 |
15 |
- |
| Persentasie verloor na 1 jaar |
10.05 |
11.16 |
11.01 |
8.75 |
3.82 |
10.06 |
6.05 |
4.48 |
3.68 |
5.15 |
| Persentasie verloor na 2 jaar |
16.40 |
14.16 |
12.84 |
10.42 |
5.21 |
12.43 |
9.21 |
6.90 |
5.51 |
- |
Getal verloor in jaar 2 |
12 |
7 |
4 |
4 |
4 |
8 |
12 |
7 |
5 |
- |
| Persentasie verloor in jaar 2 |
6.35 |
3.00 |
1.83 |
1.67 |
1.39 |
2.37 |
3.16 |
2.41 |
1.84 |
- |
| Persentasie behoue na 1 jaar |
89.95 |
88.84 |
88.99 |
91.25 |
96.18 |
89.94 |
93.95 |
95.52 |
96.32 |
94.85 |
| Persentasie behoue na 2 jaar |
83.60 |
85.84 |
87.16 |
89.58 |
94.79 |
87.57 |
90.79 |
93.10 |
94.49 |
- |