| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
740 |
735 |
747 |
767 |
837 |
689 |
783 |
696 |
685 |
680 |
| Getal steeds ingeskryf na 1 jaar |
590 |
604 |
656 |
668 |
735 |
602 |
698 |
628 |
615 |
617 |
| Getal steeds ingeskryf na 2 jaar |
566 |
583 |
633 |
644 |
690 |
555 |
652 |
575 |
585 |
- |
| Getal verloor na 1 jaar |
150 |
131 |
91 |
99 |
102 |
87 |
85 |
68 |
70 |
63 |
| Getal verloor na 2 jaar |
174 |
152 |
114 |
123 |
147 |
134 |
131 |
121 |
100 |
- |
| Persentasie verloor na 1 jaar |
20.27 |
17.82 |
12.18 |
12.91 |
12.19 |
12.63 |
10.86 |
9.77 |
10.22 |
9.26 |
| Persentasie verloor na 2 jaar |
23.51 |
20.68 |
15.26 |
16.04 |
17.56 |
19.45 |
16.73 |
17.39 |
14.60 |
- |
Getal verloor in jaar 2 |
24 |
21 |
23 |
24 |
45 |
47 |
46 |
53 |
30 |
- |
| Persentasie verloor in jaar 2 |
3.24 |
2.86 |
3.08 |
3.13 |
5.38 |
6.82 |
5.87 |
7.61 |
4.38 |
- |
| Persentasie behoue na 1 jaar |
79.73 |
82.18 |
87.82 |
87.09 |
87.81 |
87.37 |
89.14 |
90.23 |
89.78 |
90.74 |
| Persentasie behoue na 2 jaar |
76.49 |
79.32 |
84.74 |
83.96 |
82.44 |
80.55 |
83.27 |
82.61 |
85.40 |
- |