| Beskrywing |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
| Getal inskrywings |
365 |
343 |
331 |
335 |
317 |
272 |
356 |
353 |
420 |
375 |
| Getal steeds ingeskryf na 1 jaar |
322 |
276 |
282 |
293 |
254 |
247 |
305 |
290 |
341 |
303 |
| Getal steeds ingeskryf na 2 jaar |
304 |
265 |
273 |
280 |
228 |
233 |
290 |
269 |
305 |
- |
| Getal verloor na 1 jaar |
43 |
67 |
49 |
42 |
63 |
25 |
51 |
63 |
79 |
72 |
| Getal verloor na 2 jaar |
61 |
78 |
58 |
55 |
89 |
39 |
66 |
84 |
115 |
- |
| Persentasie verloor na 1 jaar |
11.78 |
19.53 |
14.80 |
12.54 |
19.87 |
9.19 |
14.33 |
17.85 |
18.81 |
19.20 |
| Persentasie verloor na 2 jaar |
16.71 |
22.74 |
17.52 |
16.42 |
28.08 |
14.34 |
18.54 |
23.80 |
27.38 |
- |
Getal verloor in jaar 2 |
18 |
11 |
9 |
13 |
26 |
14 |
15 |
21 |
36 |
- |
| Persentasie verloor in jaar 2 |
4.93 |
3.21 |
2.72 |
3.88 |
8.20 |
5.15 |
4.21 |
5.95 |
8.57 |
- |
| Persentasie behoue na 1 jaar |
88.22 |
80.47 |
85.20 |
87.46 |
80.13 |
90.81 |
85.67 |
82.15 |
81.19 |
80.80 |
| Persentasie behoue na 2 jaar |
83.29 |
77.26 |
82.48 |
83.58 |
71.92 |
85.66 |
81.46 |
76.20 |
72.62 |
- |