| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
763 |
693 |
790 |
814 |
788 |
981 |
968 |
965 |
1029 |
1103 |
| Getal steeds ingeskryf na 1 jaar |
606 |
558 |
663 |
672 |
667 |
812 |
790 |
822 |
871 |
941 |
| Getal steeds ingeskryf na 2 jaar |
546 |
511 |
601 |
626 |
603 |
761 |
745 |
769 |
809 |
- |
| Getal verloor na 1 jaar |
157 |
135 |
127 |
142 |
121 |
169 |
178 |
143 |
158 |
162 |
| Getal verloor na 2 jaar |
217 |
182 |
189 |
188 |
185 |
220 |
223 |
196 |
220 |
- |
| Persentasie verloor na 1 jaar |
20.58 |
19.48 |
16.08 |
17.44 |
15.36 |
17.23 |
18.39 |
14.82 |
15.35 |
14.69 |
| Persentasie verloor na 2 jaar |
28.44 |
26.26 |
23.92 |
23.10 |
23.48 |
22.43 |
23.04 |
20.31 |
21.38 |
- |
Getal verloor in jaar 2 |
60 |
47 |
62 |
46 |
64 |
51 |
45 |
53 |
62 |
- |
| Persentasie verloor in jaar 2 |
7.86 |
6.78 |
7.85 |
5.65 |
8.12 |
5.20 |
4.65 |
5.49 |
6.03 |
- |
| Persentasie behoue na 1 jaar |
79.42 |
80.52 |
83.92 |
82.56 |
84.64 |
82.77 |
81.61 |
85.18 |
84.65 |
85.31 |
| Persentasie behoue na 2 jaar |
71.56 |
73.74 |
76.08 |
76.90 |
76.52 |
77.57 |
76.96 |
79.69 |
78.62 |
- |