| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
289 |
265 |
241 |
220 |
212 |
172 |
230 |
201 |
250 |
237 |
| Getal steeds ingeskryf na 1 jaar |
257 |
221 |
208 |
196 |
178 |
160 |
194 |
170 |
208 |
191 |
| Getal steeds ingeskryf na 2 jaar |
243 |
215 |
197 |
187 |
162 |
152 |
187 |
160 |
191 |
- |
| Getal verloor na 1 jaar |
32 |
44 |
33 |
24 |
34 |
12 |
36 |
31 |
42 |
46 |
| Getal verloor na 2 jaar |
46 |
50 |
44 |
33 |
50 |
20 |
43 |
41 |
59 |
- |
| Persentasie verloor na 1 jaar |
11.07 |
16.60 |
13.69 |
10.91 |
16.04 |
6.98 |
15.65 |
15.42 |
16.80 |
19.41 |
| Persentasie verloor na 2 jaar |
15.92 |
18.87 |
18.26 |
15.00 |
23.58 |
11.63 |
18.70 |
20.40 |
23.60 |
- |
| Getal verloor in jaar 2 |
14 |
6 |
11 |
9 |
16 |
8 |
7 |
10 |
17 |
- |
| Persentasie verloor in jaar 2 |
4.84 |
2.26 |
4.56 |
4.09 |
7.55 |
4.65 |
3.04 |
4.98 |
6.80 |
- |
| Persentasie behoue na 1 jaar |
88.93 |
83.40 |
86.31 |
89.09 |
83.96 |
93.02 |
84.35 |
84.58 |
83.20 |
80.59 |
| Persentasie behoue na 2 jaar |
84.08 |
81.13 |
81.74 |
85.00 |
76.42 |
88.37 |
81.30 |
79.60 |
76.40 |
- |