| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
814 |
793 |
681 |
749 |
741 |
724 |
1045 |
1073 |
976 |
999 |
| Getal steeds ingeskryf na 1 jaar |
701 |
692 |
579 |
676 |
652 |
650 |
960 |
983 |
885 |
921 |
| Getal steeds ingeskryf na 2 jaar |
670 |
657 |
556 |
641 |
623 |
616 |
913 |
946 |
829 |
- |
| Getal verloor na 1 jaar |
113 |
101 |
102 |
73 |
89 |
74 |
85 |
90 |
91 |
78 |
| Getal verloor na 2 jaar |
144 |
136 |
125 |
108 |
118 |
108 |
132 |
127 |
147 |
- |
| Persentasie verloor na 1 jaar |
13.88 |
12.74 |
14.98 |
9.75 |
12.01 |
10.22 |
8.13 |
8.39 |
9.32 |
7.81 |
| Persentasie verloor na 2 jaar |
17.69 |
17.15 |
18.36 |
14.42 |
15.92 |
14.92 |
12.63 |
11.84 |
15.06 |
- |
Getal verloor in jaar 2 |
31 |
35 |
23 |
35 |
29 |
34 |
47 |
37 |
56 |
- |
| Persentasie verloor in jaar 2 |
3.81 |
4.41 |
3.38 |
4.67 |
3.91 |
4.70 |
4.50 |
3.45 |
5.74 |
- |
| Persentasie behoue na 1 jaar |
86.12 |
87.26 |
85.02 |
90.25 |
87.99 |
89.78 |
91.87 |
91.61 |
90.68 |
92.19 |
| Persentasie behoue na 2 jaar |
82.31 |
82.85 |
81.64 |
85.58 |
84.08 |
85.08 |
87.37 |
88.16 |
84.94 |
- |