| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
198 |
197 |
198 |
197 |
194 |
237 |
239 |
246 |
258 |
275 |
| Getal steeds ingeskryf na 1 jaar |
136 |
150 |
148 |
160 |
154 |
187 |
185 |
175 |
205 |
194 |
| Getal steeds ingeskryf na 2 jaar |
117 |
135 |
135 |
139 |
140 |
184 |
174 |
167 |
191 |
- |
| Getal verloor na 1 jaar |
62 |
47 |
50 |
37 |
40 |
50 |
54 |
71 |
53 |
81 |
| Getal verloor na 2 jaar |
81 |
62 |
63 |
58 |
54 |
53 |
65 |
79 |
67 |
- |
| Persentasie verloor na 1 jaar |
31.31 |
23.86 |
25.25 |
18.78 |
20.62 |
21.10 |
22.59 |
28.86 |
20.54 |
29.45 |
| Persentasie verloor na 2 jaar |
40.91 |
31.47 |
31.82 |
29.44 |
27.84 |
22.36 |
27.20 |
32.11 |
25.97 |
- |
Getal verloor in jaar 2 |
19 |
15 |
13 |
21 |
14 |
3 |
11 |
8 |
14 |
- |
| Persentasie verloor in jaar 2 |
9.60 |
7.61 |
6.57 |
10.66 |
7.22 |
1.27 |
4.60 |
3.25 |
5.43 |
- |
| Persentasie behoue na 1 jaar |
68.69 |
76.14 |
74.75 |
81.22 |
79.38 |
78.90 |
77.41 |
71.14 |
79.46 |
70.55 |
| Persentasie behoue na 2 jaar |
59.09 |
68.53 |
68.18 |
70.56 |
72.16 |
77.64 |
72.80 |
67.89 |
74.03 |
- |