| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
474 |
479 |
460 |
509 |
500 |
569 |
586 |
544 |
572 |
599 |
| Getal steeds ingeskryf na 1 jaar |
441 |
450 |
422 |
478 |
461 |
516 |
548 |
512 |
552 |
559 |
| Getal steeds ingeskryf na 2 jaar |
431 |
442 |
408 |
467 |
438 |
506 |
543 |
503 |
531 |
- |
| Getal verloor na 1 jaar |
33 |
29 |
38 |
31 |
39 |
53 |
38 |
32 |
20 |
40 |
| Getal verloor na 2 jaar |
43 |
37 |
52 |
42 |
62 |
63 |
43 |
41 |
41 |
- |
| Persentasie verloor na 1 jaar |
6.96 |
6.05 |
8.26 |
6.09 |
7.80 |
9.31 |
6.48 |
5.88 |
3.50 |
6.68 |
| Persentasie verloor na 2 jaar |
9.07 |
7.72 |
11.30 |
8.25 |
12.40 |
11.07 |
7.34 |
7.54 |
7.17 |
- |
Getal verloor in jaar 2 |
10 |
8 |
14 |
11 |
23 |
10 |
5 |
9 |
21 |
- |
| Persentasie verloor in jaar 2 |
2.11 |
1.67 |
3.04 |
2.16 |
4.60 |
1.76 |
0.85 |
1.65 |
3.67 |
- |
| Persentasie behoue na 1 jaar |
93.04 |
93.95 |
91.74 |
93.91 |
92.20 |
90.69 |
93.52 |
94.12 |
96.50 |
93.32 |
| Persentasie behoue na 2 jaar |
90.93 |
92.28 |
88.70 |
91.75 |
87.60 |
88.93 |
92.66 |
92.46 |
92.83 |
- |