| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
190 |
201 |
181 |
196 |
207 |
192 |
200 |
206 |
188 |
212 |
| Getal steeds ingeskryf na 1 jaar |
141 |
148 |
132 |
152 |
156 |
127 |
126 |
143 |
142 |
167 |
| Getal steeds ingeskryf na 2 jaar |
111 |
126 |
105 |
134 |
145 |
115 |
114 |
131 |
133 |
- |
| Getal verloor na 1 jaar |
49 |
53 |
49 |
44 |
51 |
65 |
74 |
63 |
46 |
45 |
| Getal verloor na 2 jaar |
79 |
75 |
76 |
62 |
62 |
77 |
86 |
75 |
55 |
- |
| Persentasie verloor na 1 jaar |
25.79 |
26.37 |
27.07 |
22.45 |
24.64 |
33.85 |
37.00 |
30.58 |
24.47 |
21.23 |
| Persentasie verloor na 2 jaar |
41.58 |
37.31 |
41.99 |
31.63 |
29.95 |
40.10 |
43.00 |
36.41 |
29.26 |
- |
Getal verloor in jaar 2 |
30 |
22 |
27 |
18 |
11 |
12 |
12 |
12 |
9 |
- |
| Persentasie verloor in jaar 2 |
15.79 |
10.95 |
14.92 |
9.18 |
5.31 |
6.25 |
6.00 |
5.83 |
4.79 |
- |
| Persentasie behoue na 1 jaar |
74.21 |
73.63 |
72.93 |
77.55 |
75.36 |
66.15 |
63.00 |
69.42 |
75.53 |
78.77 |
| Persentasie behoue na 2 jaar |
58.42 |
62.69 |
58.01 |
68.37 |
70.05 |
59.90 |
57.00 |
63.59 |
70.74 |
- |