| Beskrywing |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
| Getal inskrywings |
132 |
160 |
193 |
190 |
252 |
243 |
299 |
255 |
334 |
401 |
| Getal steeds ingeskryf na 1 jaar |
100 |
139 |
150 |
155 |
218 |
214 |
243 |
230 |
305 |
353 |
| Getal steeds ingeskryf na 2 jaar |
96 |
130 |
145 |
150 |
213 |
207 |
220 |
221 |
289 |
- |
| Getal verloor na 1 jaar |
32 |
21 |
43 |
35 |
34 |
29 |
56 |
25 |
29 |
48 |
| Getal verloor na 2 jaar |
36 |
30 |
48 |
40 |
39 |
36 |
79 |
34 |
45 |
- |
| Persentasie verloor na 1 jaar |
24.24 |
13.12 |
22.28 |
18.42 |
13.49 |
11.93 |
18.73 |
9.80 |
8.68 |
11.97 |
| Persentasie verloor na 2 jaar |
27.27 |
18.75 |
24.87 |
21.05 |
15.48 |
14.81 |
26.42 |
13.33 |
13.47 |
- |
Getal verloor in jaar 2 |
4 |
9 |
5 |
5 |
5 |
7 |
23 |
9 |
16 |
- |
| Persentasie verloor in jaar 2 |
3.03 |
5.62 |
2.59 |
2.63 |
1.98 |
2.88 |
7.69 |
3.53 |
4.79 |
- |
| Persentasie behoue na 1 jaar |
75.76 |
86.87 |
77.72 |
81.58 |
86.51 |
88.07 |
81.27 |
90.20 |
91.32 |
88.03 |
| Persentasie behoue na 2 jaar |
72.73 |
81.25 |
75.13 |
78.95 |
84.52 |
85.19 |
73.58 |
86.67 |
86.53 |
- |