| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
413 |
370 |
411 |
353 |
434 |
457 |
454 |
546 |
542 |
513 |
| Getal steeds ingeskryf na 1 jaar |
364 |
310 |
348 |
293 |
388 |
394 |
411 |
503 |
506 |
464 |
| Getal steeds ingeskryf na 2 jaar |
350 |
294 |
336 |
281 |
368 |
374 |
384 |
486 |
491 |
- |
| Getal verloor na 1 jaar |
49 |
60 |
63 |
60 |
46 |
63 |
43 |
43 |
36 |
49 |
| Getal verloor na 2 jaar |
63 |
76 |
75 |
72 |
66 |
83 |
70 |
60 |
51 |
- |
| Persentasie verloor na 1 jaar |
11.86 |
16.22 |
15.33 |
17.00 |
10.60 |
13.79 |
9.47 |
7.88 |
6.64 |
9.55 |
| Persentasie verloor na 2 jaar |
15.25 |
20.54 |
18.25 |
20.40 |
15.21 |
18.16 |
15.42 |
10.99 |
9.41 |
- |
Getal verloor in jaar 2 |
14 |
16 |
12 |
12 |
20 |
20 |
27 |
17 |
15 |
- |
| Persentasie verloor in jaar 2 |
3.39 |
4.32 |
2.92 |
3.40 |
4.61 |
4.38 |
5.95 |
3.11 |
2.77 |
- |
| Persentasie behoue na 1 jaar |
88.14 |
83.78 |
84.67 |
83.00 |
89.40 |
86.21 |
90.53 |
92.12 |
93.36 |
90.45 |
| Persentasie behoue na 2 jaar |
84.75 |
79.46 |
81.75 |
79.60 |
84.79 |
81.84 |
84.58 |
89.01 |
90.59 |
- |