| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
702 |
705 |
740 |
735 |
747 |
767 |
837 |
689 |
783 |
696 |
| Getal steeds ingeskryf na 1 jaar |
590 |
572 |
590 |
604 |
656 |
668 |
735 |
602 |
698 |
627 |
| Getal steeds ingeskryf na 2 jaar |
559 |
544 |
566 |
583 |
633 |
644 |
689 |
555 |
649 |
- |
| Getal verloor na 1 jaar |
112 |
133 |
150 |
131 |
91 |
99 |
102 |
87 |
85 |
69 |
| Getal verloor na 2 jaar |
143 |
161 |
174 |
152 |
114 |
123 |
148 |
134 |
134 |
- |
| Persentasie verloor na 1 jaar |
15.95 |
18.87 |
20.27 |
17.82 |
12.18 |
12.91 |
12.19 |
12.63 |
10.86 |
9.91 |
| Persentasie verloor na 2 jaar |
20.37 |
22.84 |
23.51 |
20.68 |
15.26 |
16.04 |
17.68 |
19.45 |
17.11 |
- |
Getal verloor in jaar 2 |
31 |
28 |
24 |
21 |
23 |
24 |
46 |
47 |
49 |
- |
| Persentasie verloor in jaar 2 |
4.42 |
3.97 |
3.24 |
2.86 |
3.08 |
3.13 |
5.50 |
6.82 |
6.26 |
- |
| Persentasie behoue na 1 jaar |
84.05 |
81.13 |
79.73 |
82.18 |
87.82 |
87.09 |
87.81 |
87.37 |
89.14 |
90.09 |
| Persentasie behoue na 2 jaar |
79.63 |
77.16 |
76.49 |
79.32 |
84.74 |
83.96 |
82.32 |
80.55 |
82.89 |
- |