| Beskrywing |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
| Getal inskrywings |
370 |
411 |
353 |
434 |
457 |
455 |
546 |
543 |
515 |
497 |
| Getal steeds ingeskryf na 1 jaar |
310 |
348 |
293 |
388 |
394 |
412 |
503 |
507 |
466 |
455 |
| Getal steeds ingeskryf na 2 jaar |
294 |
336 |
281 |
368 |
374 |
385 |
486 |
492 |
441 |
- |
| Getal verloor na 1 jaar |
60 |
63 |
60 |
46 |
63 |
43 |
43 |
36 |
49 |
42 |
| Getal verloor na 2 jaar |
76 |
75 |
72 |
66 |
83 |
70 |
60 |
51 |
74 |
- |
| Persentasie verloor na 1 jaar |
16.22 |
15.33 |
17.00 |
10.60 |
13.79 |
9.45 |
7.88 |
6.63 |
9.51 |
8.45 |
| Persentasie verloor na 2 jaar |
20.54 |
18.25 |
20.40 |
15.21 |
18.16 |
15.38 |
10.99 |
9.39 |
14.37 |
- |
Getal verloor in jaar 2 |
16 |
12 |
12 |
20 |
20 |
27 |
17 |
15 |
25 |
- |
| Persentasie verloor in jaar 2 |
4.32 |
2.92 |
3.40 |
4.61 |
4.38 |
5.93 |
3.11 |
2.76 |
4.85 |
- |
| Persentasie behoue na 1 jaar |
83.78 |
84.67 |
83.00 |
89.40 |
86.21 |
90.55 |
92.12 |
93.37 |
90.49 |
91.55 |
| Persentasie behoue na 2 jaar |
79.46 |
81.75 |
79.60 |
84.79 |
81.84 |
84.62 |
89.01 |
90.61 |
85.63 |
- |