| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
763 |
738 |
768 |
805 |
868 |
829 |
834 |
829 |
831 |
665 |
| Getal steeds ingeskryf na 1 jaar |
641 |
616 |
669 |
708 |
750 |
717 |
705 |
689 |
683 |
581 |
| Getal steeds ingeskryf na 2 jaar |
606 |
592 |
629 |
661 |
708 |
667 |
641 |
633 |
635 |
- |
| Getal verloor na 1 jaar |
122 |
122 |
99 |
97 |
118 |
112 |
129 |
140 |
148 |
84 |
| Getal verloor na 2 jaar |
157 |
146 |
139 |
144 |
160 |
162 |
193 |
196 |
196 |
- |
| Persentasie verloor na 1 jaar |
15.99 |
16.53 |
12.89 |
12.05 |
13.59 |
13.51 |
15.47 |
16.89 |
17.81 |
12.63 |
| Persentasie verloor na 2 jaar |
20.58 |
19.78 |
18.10 |
17.89 |
18.43 |
19.54 |
23.14 |
23.64 |
23.59 |
- |
Getal verloor in jaar 2 |
35 |
24 |
40 |
47 |
42 |
50 |
64 |
56 |
48 |
- |
| Persentasie verloor in jaar 2 |
4.59 |
3.25 |
5.21 |
5.84 |
4.84 |
6.03 |
7.67 |
6.76 |
5.78 |
- |
| Persentasie behoue na 1 jaar |
84.01 |
83.47 |
87.11 |
87.95 |
86.41 |
86.49 |
84.53 |
83.11 |
82.19 |
87.37 |
| Persentasie behoue na 2 jaar |
79.42 |
80.22 |
81.90 |
82.11 |
81.57 |
80.46 |
76.86 |
76.36 |
76.41 |
- |