| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
245 |
259 |
241 |
250 |
271 |
197 |
220 |
202 |
185 |
216 |
| Getal steeds ingeskryf na 1 jaar |
187 |
194 |
189 |
196 |
206 |
132 |
152 |
142 |
143 |
172 |
| Getal steeds ingeskryf na 2 jaar |
149 |
166 |
158 |
174 |
193 |
119 |
138 |
132 |
131 |
- |
| Getal verloor na 1 jaar |
58 |
65 |
52 |
54 |
65 |
65 |
68 |
60 |
42 |
44 |
| Getal verloor na 2 jaar |
96 |
93 |
83 |
76 |
78 |
78 |
82 |
70 |
54 |
- |
| Persentasie verloor na 1 jaar |
23.67 |
25.10 |
21.58 |
21.60 |
23.99 |
32.99 |
30.91 |
29.70 |
22.70 |
20.37 |
| Persentasie verloor na 2 jaar |
39.18 |
35.91 |
34.44 |
30.40 |
28.78 |
39.59 |
37.27 |
34.65 |
29.19 |
- |
Getal verloor in jaar 2 |
38 |
28 |
31 |
22 |
13 |
13 |
14 |
10 |
12 |
- |
| Persentasie verloor in jaar 2 |
15.51 |
10.81 |
12.86 |
8.80 |
4.80 |
6.60 |
6.36 |
4.95 |
6.49 |
- |
| Persentasie behoue na 1 jaar |
76.33 |
74.90 |
78.42 |
78.40 |
76.01 |
67.01 |
69.09 |
70.30 |
77.30 |
79.63 |
| Persentasie behoue na 2 jaar |
60.82 |
64.09 |
65.56 |
69.60 |
71.22 |
60.41 |
62.73 |
65.35 |
70.81 |
- |