| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
411 |
353 |
434 |
457 |
455 |
546 |
543 |
515 |
497 |
569 |
| Getal steeds ingeskryf na 1 jaar |
348 |
293 |
388 |
394 |
412 |
503 |
507 |
466 |
455 |
520 |
| Getal steeds ingeskryf na 2 jaar |
336 |
281 |
368 |
374 |
385 |
486 |
492 |
442 |
435 |
- |
| Getal verloor na 1 jaar |
63 |
60 |
46 |
63 |
43 |
43 |
36 |
49 |
42 |
49 |
| Getal verloor na 2 jaar |
75 |
72 |
66 |
83 |
70 |
60 |
51 |
73 |
62 |
- |
| Persentasie verloor na 1 jaar |
15.33 |
17.00 |
10.60 |
13.79 |
9.45 |
7.88 |
6.63 |
9.51 |
8.45 |
8.61 |
| Persentasie verloor na 2 jaar |
18.25 |
20.40 |
15.21 |
18.16 |
15.38 |
10.99 |
9.39 |
14.17 |
12.47 |
- |
Getal verloor in jaar 2 |
12 |
12 |
20 |
20 |
27 |
17 |
15 |
24 |
20 |
- |
| Persentasie verloor in jaar 2 |
2.92 |
3.40 |
4.61 |
4.38 |
5.93 |
3.11 |
2.76 |
4.66 |
4.02 |
- |
| Persentasie behoue na 1 jaar |
84.67 |
83.00 |
89.40 |
86.21 |
90.55 |
92.12 |
93.37 |
90.49 |
91.55 |
91.39 |
| Persentasie behoue na 2 jaar |
81.75 |
79.60 |
84.79 |
81.84 |
84.62 |
89.01 |
90.61 |
85.83 |
87.53 |
- |