| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
479 |
438 |
477 |
525 |
578 |
505 |
538 |
414 |
439 |
444 |
| Getal steeds ingeskryf na 1 jaar |
383 |
344 |
399 |
417 |
447 |
371 |
419 |
328 |
352 |
346 |
| Getal steeds ingeskryf na 2 jaar |
331 |
309 |
359 |
370 |
404 |
340 |
387 |
304 |
315 |
- |
| Getal verloor na 1 jaar |
96 |
94 |
78 |
108 |
131 |
134 |
119 |
86 |
87 |
98 |
| Getal verloor na 2 jaar |
148 |
129 |
118 |
155 |
174 |
165 |
151 |
110 |
124 |
- |
| Persentasie verloor na 1 jaar |
20.04 |
21.46 |
16.35 |
20.57 |
22.66 |
26.53 |
22.12 |
20.77 |
19.82 |
22.07 |
| Persentasie verloor na 2 jaar |
30.90 |
29.45 |
24.74 |
29.52 |
30.10 |
32.67 |
28.07 |
26.57 |
28.25 |
- |
Getal verloor in jaar 2 |
52 |
35 |
40 |
47 |
43 |
31 |
32 |
24 |
37 |
- |
| Persentasie verloor in jaar 2 |
10.86 |
7.99 |
8.39 |
8.95 |
7.44 |
6.14 |
5.95 |
5.80 |
8.43 |
- |
| Persentasie behoue na 1 jaar |
79.96 |
78.54 |
83.65 |
79.43 |
77.34 |
73.47 |
77.88 |
79.23 |
80.18 |
77.93 |
| Persentasie behoue na 2 jaar |
69.10 |
70.55 |
75.26 |
70.48 |
69.90 |
67.33 |
71.93 |
73.43 |
71.75 |
- |