| Value | Category | Cases | |
|---|---|---|---|
| 1 | September, 2010 | 29 |
6.5%
|
| 2 | October, 2010 | 38 |
8.5%
|
| 3 | November, 2010 | 49 |
10.9%
|
| 4 | December, 2010 | 30 |
6.7%
|
| 5 | January, 2011 | 44 |
9.8%
|
| 6 | February, 2011 | 122 |
27.2%
|
| 7 | March, 2011 | 137 |
30.5%
|
| 8 | April, 2011 | 0 |
0%
|
| Sysmiss | 5835 |