| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 1012 |
9.6%
|
| 2 | February | 1315 |
12.5%
|
| 3 | March | 3929 |
37.2%
|
| 4 | April | 1837 |
17.4%
|
| 5 | May | 538 |
5.1%
|
| 6 | June | 400 |
3.8%
|
| 7 | July | 80 |
0.8%
|
| 8 | August | 151 |
1.4%
|
| 9 | September | 86 |
0.8%
|
| 10 | October | 62 |
0.6%
|
| 11 | November | 77 |
0.7%
|
| 12 | December | 67 |
0.6%
|
| 99 | Don't know | 996 |
9.4%
|