| Beskrywing |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
| Getal inskrywings |
556 |
580 |
614 |
559 |
538 |
528 |
472 |
382 |
499 |
496 |
| Getal steeds ingeskryf na 1 jaar |
464 |
501 |
526 |
480 |
457 |
430 |
390 |
345 |
413 |
412 |
| Getal steeds ingeskryf na 2 jaar |
434 |
466 |
498 |
442 |
410 |
395 |
360 |
328 |
380 |
- |
| Getal verloor na 1 jaar |
92 |
79 |
88 |
79 |
81 |
98 |
82 |
37 |
86 |
84 |
| Getal verloor na 2 jaar |
122 |
114 |
116 |
117 |
128 |
133 |
112 |
54 |
119 |
- |
| Persentasie verloor na 1 jaar |
16.55 |
13.62 |
14.33 |
14.13 |
15.06 |
18.56 |
17.37 |
9.69 |
17.23 |
16.94 |
| Persentasie verloor na 2 jaar |
21.94 |
19.66 |
18.89 |
20.93 |
23.79 |
25.19 |
23.73 |
14.14 |
23.85 |
- |
Getal verloor in jaar 2 |
30 |
35 |
28 |
38 |
47 |
35 |
30 |
17 |
33 |
- |
| Persentasie verloor in jaar 2 |
5.40 |
6.03 |
4.56 |
6.80 |
8.74 |
6.63 |
6.36 |
4.45 |
6.61 |
- |
| Persentasie behoue na 1 jaar |
83.45 |
86.38 |
85.67 |
85.87 |
84.94 |
81.44 |
82.63 |
90.31 |
82.77 |
83.06 |
| Persentasie behoue na 2 jaar |
78.06 |
80.34 |
81.11 |
79.07 |
76.21 |
74.81 |
76.27 |
85.86 |
76.15 |
- |