| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
629 |
603 |
666 |
663 |
648 |
765 |
738 |
771 |
813 |
871 |
| Getal steeds ingeskryf na 1 jaar |
520 |
500 |
568 |
563 |
555 |
643 |
616 |
672 |
714 |
749 |
| Getal steeds ingeskryf na 2 jaar |
472 |
463 |
521 |
526 |
514 |
607 |
591 |
632 |
662 |
- |
| Getal verloor na 1 jaar |
109 |
103 |
98 |
100 |
93 |
122 |
122 |
99 |
99 |
122 |
| Getal verloor na 2 jaar |
157 |
140 |
145 |
137 |
134 |
158 |
147 |
139 |
151 |
- |
| Persentasie verloor na 1 jaar |
17.33 |
17.08 |
14.71 |
15.08 |
14.35 |
15.95 |
16.53 |
12.84 |
12.18 |
14.01 |
| Persentasie verloor na 2 jaar |
24.96 |
23.22 |
21.77 |
20.66 |
20.68 |
20.65 |
19.92 |
18.03 |
18.57 |
- |
Getal verloor in jaar 2 |
48 |
37 |
47 |
37 |
41 |
36 |
25 |
40 |
52 |
- |
| Persentasie verloor in jaar 2 |
7.63 |
6.14 |
7.06 |
5.58 |
6.33 |
4.71 |
3.39 |
5.19 |
6.40 |
- |
| Persentasie behoue na 1 jaar |
82.67 |
82.92 |
85.29 |
84.92 |
85.65 |
84.05 |
83.47 |
87.16 |
87.82 |
85.99 |
| Persentasie behoue na 2 jaar |
75.04 |
76.78 |
78.23 |
79.34 |
79.32 |
79.35 |
80.08 |
81.97 |
81.43 |
- |