| Beskrywing |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Getal inskrywings |
724 |
728 |
796 |
887 |
958 |
928 |
932 |
871 |
892 |
887 |
| Getal steeds ingeskryf na 1 jaar |
610 |
611 |
673 |
768 |
821 |
774 |
786 |
738 |
799 |
799 |
| Getal steeds ingeskryf na 2 jaar |
554 |
561 |
617 |
732 |
805 |
753 |
761 |
720 |
774 |
- |
| Getal verloor na 1 jaar |
114 |
117 |
123 |
119 |
137 |
154 |
146 |
133 |
93 |
88 |
| Getal verloor na 2 jaar |
170 |
167 |
179 |
155 |
153 |
175 |
171 |
151 |
118 |
- |
| Persentasie verloor na 1 jaar |
15.75 |
16.07 |
15.45 |
13.42 |
14.30 |
16.59 |
15.67 |
15.27 |
10.43 |
9.92 |
| Persentasie verloor na 2 jaar |
23.48 |
22.94 |
22.49 |
17.47 |
15.97 |
18.86 |
18.35 |
17.34 |
13.23 |
- |
Getal verloor in jaar 2 |
56 |
50 |
56 |
36 |
16 |
21 |
25 |
18 |
25 |
- |
| Persentasie verloor in jaar 2 |
7.73 |
6.87 |
7.04 |
4.06 |
1.67 |
2.26 |
2.68 |
2.07 |
2.80 |
- |
| Persentasie behoue na 1 jaar |
84.25 |
83.93 |
84.55 |
86.58 |
85.70 |
83.41 |
84.33 |
84.73 |
89.57 |
90.08 |
| Persentasie behoue na 2 jaar |
76.52 |
77.06 |
77.51 |
82.53 |
84.03 |
81.14 |
81.65 |
82.66 |
86.77 |
- |