| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
207 |
203 |
231 |
203 |
230 |
225 |
272 |
277 |
279 |
247 |
| Getal steeds ingeskryf na 1 jaar |
183 |
179 |
194 |
166 |
203 |
197 |
244 |
259 |
260 |
225 |
| Getal steeds ingeskryf na 2 jaar |
177 |
164 |
187 |
159 |
191 |
189 |
222 |
250 |
254 |
- |
| Getal verloor na 1 jaar |
24 |
24 |
37 |
37 |
27 |
28 |
28 |
18 |
19 |
22 |
| Getal verloor na 2 jaar |
30 |
39 |
44 |
44 |
39 |
36 |
50 |
27 |
25 |
- |
| Persentasie verloor na 1 jaar |
11.59 |
11.82 |
16.02 |
18.23 |
11.74 |
12.44 |
10.29 |
6.50 |
6.81 |
8.91 |
| Persentasie verloor na 2 jaar |
14.49 |
19.21 |
19.05 |
21.67 |
16.96 |
16.00 |
18.38 |
9.75 |
8.96 |
- |
Getal verloor in jaar 2 |
6 |
15 |
7 |
7 |
12 |
8 |
22 |
9 |
6 |
- |
| Persentasie verloor in jaar 2 |
2.90 |
7.39 |
3.03 |
3.45 |
5.22 |
3.56 |
8.09 |
3.25 |
2.15 |
- |
| Persentasie behoue na 1 jaar |
88.41 |
88.18 |
83.98 |
81.77 |
88.26 |
87.56 |
89.71 |
93.50 |
93.19 |
91.09 |
| Persentasie behoue na 2 jaar |
85.51 |
80.79 |
80.95 |
78.33 |
83.04 |
84.00 |
81.62 |
90.25 |
91.04 |
- |