| Value | Category | Cases | |
|---|---|---|---|
| 1 | March 2010 | 222 |
6.8%
|
| 2 | April | 496 |
15.3%
|
| 3 | May | 426 |
13.1%
|
| 4 | June | 336 |
10.4%
|
| 5 | July | 560 |
17.3%
|
| 6 | August | 359 |
11.1%
|
| 7 | September | 609 |
18.8%
|
| 8 | October | 223 |
6.9%
|
| 9 | November | 15 |
0.5%
|
| 10 | December | 0 |
0%
|
| 11 | January | 0 |
0%
|
| 12 | February | 0 |
0%
|
| 13 | March 2011 | 0 |
0%
|