| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
705 |
740 |
735 |
747 |
766 |
837 |
689 |
783 |
696 |
685 |
| Getal steeds ingeskryf na 1 jaar |
572 |
590 |
604 |
656 |
666 |
735 |
602 |
698 |
627 |
613 |
| Getal steeds ingeskryf na 2 jaar |
544 |
566 |
583 |
633 |
642 |
690 |
555 |
650 |
574 |
- |
| Getal verloor na 1 jaar |
133 |
150 |
131 |
91 |
100 |
102 |
87 |
85 |
69 |
72 |
| Getal verloor na 2 jaar |
161 |
174 |
152 |
114 |
124 |
147 |
134 |
133 |
122 |
- |
| Persentasie verloor na 1 jaar |
18.87 |
20.27 |
17.82 |
12.18 |
13.05 |
12.19 |
12.63 |
10.86 |
9.91 |
10.51 |
| Persentasie verloor na 2 jaar |
22.84 |
23.51 |
20.68 |
15.26 |
16.19 |
17.56 |
19.45 |
16.99 |
17.53 |
- |
Getal verloor in jaar 2 |
28 |
24 |
21 |
23 |
24 |
45 |
47 |
48 |
53 |
- |
| Persentasie verloor in jaar 2 |
3.97 |
3.24 |
2.86 |
3.08 |
3.13 |
5.38 |
6.82 |
6.13 |
7.61 |
- |
| Persentasie behoue na 1 jaar |
81.13 |
79.73 |
82.18 |
87.82 |
86.95 |
87.81 |
87.37 |
89.14 |
90.09 |
89.49 |
| Persentasie behoue na 2 jaar |
77.16 |
76.49 |
79.32 |
84.74 |
83.81 |
82.44 |
80.55 |
83.01 |
82.47 |
- |