| Value | Category | Cases | |
|---|---|---|---|
| 1 | before august 2010 | 50 |
6.2%
|
| 2 | august 2010 | 21 |
2.6%
|
| 3 | sept 2010 | 76 |
9.4%
|
| 4 | october 2010 | 117 |
14.4%
|
| 5 | nov. 2010 | 121 |
14.9%
|
| 6 | dec. 2010 | 180 |
22.2%
|
| 7 | january 2011 | 139 |
17.1%
|
| 8 | feb. 2011 | 75 |
9.2%
|
| 9 | march 2011 | 33 |
4.1%
|
| Sysmiss | 27480 |