| Value | Category | Cases | |
|---|---|---|---|
| 1 | Before august 2010 | 30 |
4.8%
|
| 2 | August 2010 | 19 |
3%
|
| 3 | Sept 2010 | 55 |
8.8%
|
| 4 | October 2010 | 86 |
13.8%
|
| 5 | Nov. 2010 | 92 |
14.7%
|
| 6 | Dec. 2010 | 125 |
20%
|
| 7 | January 2011 | 126 |
20.2%
|
| 8 | Feb. 2011 | 66 |
10.6%
|
| 9 | March 2011 | 25 |
4%
|
| Sysmiss | 27440 |