| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 4 |
0.4%
|
| 2 | February | 7 |
0.8%
|
| 3 | March | 22 |
2.4%
|
| 4 | April | 30 |
3.3%
|
| 5 | May | 56 |
6.2%
|
| 6 | June | 75 |
8.3%
|
| 7 | July | 119 |
13.1%
|
| 8 | August | 173 |
19.1%
|
| 9 | September | 233 |
25.7%
|
| 10 | October | 144 |
15.9%
|
| 11 | November | 11 |
1.2%
|
| 12 | December | 6 |
0.7%
|
| 99 | Don't know | 25 |
2.8%
|
| Sysmiss | 11 |