| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
202 |
206 |
230 |
189 |
187 |
236 |
217 |
229 |
283 |
326 |
| Getal steeds ingeskryf na 1 jaar |
187 |
182 |
203 |
172 |
168 |
210 |
193 |
208 |
271 |
290 |
| Getal steeds ingeskryf na 2 jaar |
177 |
173 |
199 |
161 |
156 |
203 |
189 |
203 |
264 |
- |
| Getal verloor na 1 jaar |
15 |
24 |
27 |
17 |
19 |
26 |
24 |
21 |
12 |
36 |
| Getal verloor na 2 jaar |
25 |
33 |
31 |
28 |
31 |
33 |
28 |
26 |
19 |
- |
| Persentasie verloor na 1 jaar |
7.43 |
11.65 |
11.74 |
8.99 |
10.16 |
11.02 |
11.06 |
9.17 |
4.24 |
11.04 |
| Persentasie verloor na 2 jaar |
12.38 |
16.02 |
13.48 |
14.81 |
16.58 |
13.98 |
12.90 |
11.35 |
6.71 |
- |
Getal verloor in jaar 2 |
10 |
9 |
4 |
11 |
12 |
7 |
4 |
5 |
7 |
- |
| Persentasie verloor in jaar 2 |
4.95 |
4.37 |
1.74 |
5.82 |
6.42 |
2.97 |
1.84 |
2.18 |
2.47 |
- |
| Persentasie behoue na 1 jaar |
92.57 |
88.35 |
88.26 |
91.01 |
89.84 |
88.98 |
88.94 |
90.83 |
95.76 |
88.96 |
| Persentasie behoue na 2 jaar |
87.62 |
83.98 |
86.52 |
85.19 |
83.42 |
86.02 |
87.10 |
88.65 |
93.29 |
- |