| Beskrywing |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
| Getal inskrywings |
385 |
383 |
369 |
413 |
370 |
411 |
353 |
434 |
457 |
451 |
| Getal steeds ingeskryf na 1 jaar |
343 |
339 |
316 |
364 |
310 |
348 |
293 |
388 |
394 |
407 |
| Getal steeds ingeskryf na 2 jaar |
309 |
324 |
306 |
350 |
293 |
336 |
281 |
368 |
373 |
- |
| Getal verloor na 1 jaar |
42 |
44 |
53 |
49 |
60 |
63 |
60 |
46 |
63 |
44 |
| Getal verloor na 2 jaar |
76 |
59 |
63 |
63 |
77 |
75 |
72 |
66 |
84 |
- |
| Persentasie verloor na 1 jaar |
10.91 |
11.49 |
14.36 |
11.86 |
16.22 |
15.33 |
17.00 |
10.60 |
13.79 |
9.76 |
| Persentasie verloor na 2 jaar |
19.74 |
15.40 |
17.07 |
15.25 |
20.81 |
18.25 |
20.40 |
15.21 |
18.38 |
- |
Getal verloor in jaar 2 |
34 |
15 |
10 |
14 |
17 |
12 |
12 |
20 |
21 |
- |
| Persentasie verloor in jaar 2 |
8.83 |
3.92 |
2.71 |
3.39 |
4.59 |
2.92 |
3.40 |
4.61 |
4.60 |
- |
| Persentasie behoue na 1 jaar |
89.09 |
88.51 |
85.64 |
88.14 |
83.78 |
84.67 |
83.00 |
89.40 |
86.21 |
90.24 |
| Persentasie behoue na 2 jaar |
80.26 |
84.60 |
82.93 |
84.75 |
79.19 |
81.75 |
79.60 |
84.79 |
81.62 |
- |