| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 5 |
1.7%
|
| 2 | February | 10 |
3.5%
|
| 3 | March | 10 |
3.5%
|
| 4 | April | 11 |
3.8%
|
| 5 | May | 21 |
7.3%
|
| 6 | June | 23 |
8%
|
| 7 | July | 23 |
8%
|
| 8 | August | 23 |
8%
|
| 9 | September | 39 |
13.5%
|
| 10 | October | 21 |
7.3%
|
| 11 | November | 23 |
8%
|
| 12 | December | 7 |
2.4%
|
| 99 | Don't know | 72 |
25%
|
| Sysmiss | 1710 |