| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
649 |
764 |
738 |
768 |
806 |
867 |
829 |
834 |
829 |
831 |
| Getal steeds ingeskryf na 1 jaar |
556 |
642 |
616 |
669 |
709 |
749 |
717 |
705 |
688 |
683 |
| Getal steeds ingeskryf na 2 jaar |
515 |
607 |
592 |
629 |
662 |
707 |
667 |
641 |
630 |
- |
| Getal verloor na 1 jaar |
93 |
122 |
122 |
99 |
97 |
118 |
112 |
129 |
141 |
148 |
| Getal verloor na 2 jaar |
134 |
157 |
146 |
139 |
144 |
160 |
162 |
193 |
199 |
- |
| Persentasie verloor na 1 jaar |
14.33 |
15.97 |
16.53 |
12.89 |
12.03 |
13.61 |
13.51 |
15.47 |
17.01 |
17.81 |
| Persentasie verloor na 2 jaar |
20.65 |
20.55 |
19.78 |
18.10 |
17.87 |
18.45 |
19.54 |
23.14 |
24.00 |
- |
Getal verloor in jaar 2 |
41 |
35 |
24 |
40 |
47 |
42 |
50 |
64 |
58 |
- |
| Persentasie verloor in jaar 2 |
6.32 |
4.58 |
3.25 |
5.21 |
5.83 |
4.84 |
6.03 |
7.67 |
7.00 |
- |
| Persentasie behoue na 1 jaar |
85.67 |
84.03 |
83.47 |
87.11 |
87.97 |
86.39 |
86.49 |
84.53 |
82.99 |
82.19 |
| Persentasie behoue na 2 jaar |
79.35 |
79.45 |
80.22 |
81.90 |
82.13 |
81.55 |
80.46 |
76.86 |
76.00 |
- |