| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
435 |
455 |
466 |
487 |
455 |
401 |
348 |
363 |
389 |
401 |
| Getal steeds ingeskryf na 1 jaar |
334 |
382 |
386 |
413 |
379 |
334 |
296 |
302 |
340 |
315 |
| Getal steeds ingeskryf na 2 jaar |
306 |
355 |
363 |
387 |
357 |
326 |
286 |
298 |
323 |
- |
| Getal verloor na 1 jaar |
101 |
73 |
80 |
74 |
76 |
67 |
52 |
61 |
49 |
86 |
| Getal verloor na 2 jaar |
129 |
100 |
103 |
100 |
98 |
75 |
62 |
65 |
66 |
- |
| Persentasie verloor na 1 jaar |
23.22 |
16.04 |
17.17 |
15.20 |
16.70 |
16.71 |
14.94 |
16.80 |
12.60 |
21.45 |
| Persentasie verloor na 2 jaar |
29.66 |
21.98 |
22.10 |
20.53 |
21.54 |
18.70 |
17.82 |
17.91 |
16.97 |
- |
Getal verloor in jaar 2 |
28 |
27 |
23 |
26 |
22 |
8 |
10 |
4 |
17 |
- |
| Persentasie verloor in jaar 2 |
6.44 |
5.93 |
4.94 |
5.34 |
4.84 |
2.00 |
2.87 |
1.10 |
4.37 |
- |
| Persentasie behoue na 1 jaar |
76.78 |
83.96 |
82.83 |
84.80 |
83.30 |
83.29 |
85.06 |
83.20 |
87.40 |
78.55 |
| Persentasie behoue na 2 jaar |
70.34 |
78.02 |
77.90 |
79.47 |
78.46 |
81.30 |
82.18 |
82.09 |
83.03 |
- |