| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
443 |
394 |
456 |
484 |
521 |
682 |
773 |
663 |
701 |
734 |
| Getal steeds ingeskryf na 1 jaar |
313 |
263 |
340 |
366 |
399 |
505 |
577 |
497 |
570 |
575 |
| Getal steeds ingeskryf na 2 jaar |
257 |
216 |
297 |
333 |
346 |
461 |
525 |
457 |
527 |
- |
| Getal verloor na 1 jaar |
130 |
131 |
116 |
118 |
122 |
177 |
196 |
166 |
131 |
159 |
| Getal verloor na 2 jaar |
186 |
178 |
159 |
151 |
175 |
221 |
248 |
206 |
174 |
- |
| Persentasie verloor na 1 jaar |
29.35 |
33.25 |
25.44 |
24.38 |
23.42 |
25.95 |
25.36 |
25.04 |
18.69 |
21.66 |
| Persentasie verloor na 2 jaar |
41.99 |
45.18 |
34.87 |
31.20 |
33.59 |
32.40 |
32.08 |
31.07 |
24.82 |
- |
Getal verloor in jaar 2 |
56 |
47 |
43 |
33 |
53 |
44 |
52 |
40 |
43 |
- |
| Persentasie verloor in jaar 2 |
12.64 |
11.93 |
9.43 |
6.82 |
10.17 |
6.45 |
6.73 |
6.03 |
6.13 |
- |
| Persentasie behoue na 1 jaar |
70.65 |
66.75 |
74.56 |
75.62 |
76.58 |
74.05 |
74.64 |
74.96 |
81.31 |
78.34 |
| Persentasie behoue na 2 jaar |
58.01 |
54.82 |
65.13 |
68.80 |
66.41 |
67.60 |
67.92 |
68.93 |
75.18 |
- |