| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
431 |
465 |
522 |
576 |
622 |
603 |
617 |
540 |
626 |
665 |
| Getal steeds ingeskryf na 1 jaar |
358 |
400 |
448 |
501 |
532 |
485 |
531 |
466 |
566 |
585 |
| Getal steeds ingeskryf na 2 jaar |
333 |
365 |
426 |
481 |
516 |
476 |
519 |
454 |
541 |
- |
| Getal verloor na 1 jaar |
73 |
65 |
74 |
75 |
90 |
118 |
86 |
74 |
60 |
80 |
| Getal verloor na 2 jaar |
98 |
100 |
96 |
95 |
106 |
127 |
98 |
86 |
85 |
- |
| Persentasie verloor na 1 jaar |
16.94 |
13.98 |
14.18 |
13.02 |
14.47 |
19.57 |
13.94 |
13.70 |
9.58 |
12.03 |
| Persentasie verloor na 2 jaar |
22.74 |
21.51 |
18.39 |
16.49 |
17.04 |
21.06 |
15.88 |
15.93 |
13.58 |
- |
Getal verloor in jaar 2 |
25 |
35 |
22 |
20 |
16 |
9 |
12 |
12 |
25 |
- |
| Persentasie verloor in jaar 2 |
5.80 |
7.53 |
4.21 |
3.47 |
2.57 |
1.49 |
1.94 |
2.22 |
3.99 |
- |
| Persentasie behoue na 1 jaar |
83.06 |
86.02 |
85.82 |
86.98 |
85.53 |
80.43 |
86.06 |
86.30 |
90.42 |
87.97 |
| Persentasie behoue na 2 jaar |
77.26 |
78.49 |
81.61 |
83.51 |
82.96 |
78.94 |
84.12 |
84.07 |
86.42 |
- |