| Beskrywing |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
| Getal inskrywings |
524 |
574 |
505 |
538 |
415 |
440 |
445 |
459 |
661 |
827 |
| Getal steeds ingeskryf na 1 jaar |
416 |
444 |
371 |
419 |
329 |
353 |
350 |
380 |
538 |
648 |
| Getal steeds ingeskryf na 2 jaar |
369 |
403 |
340 |
388 |
305 |
317 |
327 |
337 |
488 |
- |
| Getal verloor na 1 jaar |
108 |
130 |
134 |
119 |
86 |
87 |
95 |
79 |
123 |
179 |
| Getal verloor na 2 jaar |
155 |
171 |
165 |
150 |
110 |
123 |
118 |
122 |
173 |
- |
| Persentasie verloor na 1 jaar |
20.61 |
22.65 |
26.53 |
22.12 |
20.72 |
19.77 |
21.35 |
17.21 |
18.61 |
21.64 |
| Persentasie verloor na 2 jaar |
29.58 |
29.79 |
32.67 |
27.88 |
26.51 |
27.95 |
26.52 |
26.58 |
26.17 |
- |
Getal verloor in jaar 2 |
47 |
41 |
31 |
31 |
24 |
36 |
23 |
43 |
50 |
- |
| Persentasie verloor in jaar 2 |
8.97 |
7.14 |
6.14 |
5.76 |
5.78 |
8.18 |
5.17 |
9.37 |
7.56 |
- |
| Persentasie behoue na 1 jaar |
79.39 |
77.35 |
73.47 |
77.88 |
79.28 |
80.23 |
78.65 |
82.79 |
81.39 |
78.36 |
| Persentasie behoue na 2 jaar |
70.42 |
70.21 |
67.33 |
72.12 |
73.49 |
72.05 |
73.48 |
73.42 |
73.83 |
- |