| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
156 |
153 |
144 |
134 |
124 |
183 |
317 |
292 |
281 |
264 |
| Getal steeds ingeskryf na 1 jaar |
121 |
133 |
120 |
108 |
102 |
165 |
283 |
249 |
251 |
229 |
| Getal steeds ingeskryf na 2 jaar |
115 |
122 |
112 |
105 |
93 |
156 |
269 |
243 |
238 |
- |
| Getal verloor na 1 jaar |
35 |
20 |
24 |
26 |
22 |
18 |
34 |
43 |
30 |
35 |
| Getal verloor na 2 jaar |
41 |
31 |
32 |
29 |
31 |
27 |
48 |
49 |
43 |
- |
| Persentasie verloor na 1 jaar |
22.44 |
13.07 |
16.67 |
19.40 |
17.74 |
9.84 |
10.73 |
14.73 |
10.68 |
13.26 |
| Persentasie verloor na 2 jaar |
26.28 |
20.26 |
22.22 |
21.64 |
25.00 |
14.75 |
15.14 |
16.78 |
15.30 |
- |
Getal verloor in jaar 2 |
6 |
11 |
8 |
3 |
9 |
9 |
14 |
6 |
13 |
- |
| Persentasie verloor in jaar 2 |
3.85 |
7.19 |
5.56 |
2.24 |
7.26 |
4.92 |
4.42 |
2.05 |
4.63 |
- |
| Persentasie behoue na 1 jaar |
77.56 |
86.93 |
83.33 |
80.60 |
82.26 |
90.16 |
89.27 |
85.27 |
89.32 |
86.74 |
| Persentasie behoue na 2 jaar |
73.72 |
79.74 |
77.78 |
78.36 |
75.00 |
85.25 |
84.86 |
83.22 |
84.70 |
- |