| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
283 |
331 |
276 |
321 |
305 |
365 |
539 |
501 |
575 |
513 |
| Getal steeds ingeskryf na 1 jaar |
266 |
288 |
252 |
292 |
277 |
335 |
475 |
457 |
533 |
464 |
| Getal steeds ingeskryf na 2 jaar |
250 |
273 |
243 |
274 |
265 |
325 |
436 |
421 |
489 |
- |
| Getal verloor na 1 jaar |
17 |
43 |
24 |
29 |
28 |
30 |
64 |
44 |
42 |
49 |
| Getal verloor na 2 jaar |
33 |
58 |
33 |
47 |
40 |
40 |
103 |
80 |
86 |
- |
| Persentasie verloor na 1 jaar |
6.01 |
12.99 |
8.70 |
9.03 |
9.18 |
8.22 |
11.87 |
8.78 |
7.30 |
9.55 |
| Persentasie verloor na 2 jaar |
11.66 |
17.52 |
11.96 |
14.64 |
13.11 |
10.96 |
19.11 |
15.97 |
14.96 |
- |
Getal verloor in jaar 2 |
16 |
15 |
9 |
18 |
12 |
10 |
39 |
36 |
44 |
- |
| Persentasie verloor in jaar 2 |
5.65 |
4.53 |
3.26 |
5.61 |
3.93 |
2.74 |
7.24 |
7.19 |
7.65 |
- |
| Persentasie behoue na 1 jaar |
93.99 |
87.01 |
91.30 |
90.97 |
90.82 |
91.78 |
88.13 |
91.22 |
92.70 |
90.45 |
| Persentasie behoue na 2 jaar |
88.34 |
82.48 |
88.04 |
85.36 |
86.89 |
89.04 |
80.89 |
84.03 |
85.04 |
- |