| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
149 |
149 |
146 |
163 |
177 |
139 |
161 |
112 |
43 |
95 |
| Getal steeds ingeskryf na 1 jaar |
98 |
103 |
107 |
122 |
124 |
102 |
122 |
75 |
37 |
75 |
| Getal steeds ingeskryf na 2 jaar |
85 |
85 |
94 |
107 |
99 |
89 |
107 |
60 |
30 |
- |
| Getal verloor na 1 jaar |
51 |
46 |
39 |
41 |
53 |
37 |
39 |
37 |
6 |
20 |
| Getal verloor na 2 jaar |
64 |
64 |
52 |
56 |
78 |
50 |
54 |
52 |
13 |
- |
| Persentasie verloor na 1 jaar |
34.23 |
30.87 |
26.71 |
25.15 |
29.94 |
26.62 |
24.22 |
33.04 |
13.95 |
21.05 |
| Persentasie verloor na 2 jaar |
42.95 |
42.95 |
35.62 |
34.36 |
44.07 |
35.97 |
33.54 |
46.43 |
30.23 |
- |
Getal verloor in jaar 2 |
13 |
18 |
13 |
15 |
25 |
13 |
15 |
15 |
7 |
- |
| Persentasie verloor in jaar 2 |
8.72 |
12.08 |
8.90 |
9.20 |
14.12 |
9.35 |
9.32 |
13.39 |
16.28 |
- |
| Persentasie behoue na 1 jaar |
65.77 |
69.13 |
73.29 |
74.85 |
70.06 |
73.38 |
75.78 |
66.96 |
86.05 |
78.95 |
| Persentasie behoue na 2 jaar |
57.05 |
57.05 |
64.38 |
65.64 |
55.93 |
64.03 |
66.46 |
53.57 |
69.77 |
- |