| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 7 |
5.6%
|
| 2 | February | 4 |
3.2%
|
| 3 | March | 5 |
4%
|
| 4 | April | 6 |
4.8%
|
| 5 | May | 10 |
8.1%
|
| 6 | June | 9 |
7.3%
|
| 7 | July | 11 |
8.9%
|
| 8 | August | 11 |
8.9%
|
| 9 | September | 10 |
8.1%
|
| 10 | October | 11 |
8.9%
|
| 11 | November | 6 |
4.8%
|
| 12 | December | 5 |
4%
|
| 99 | Don't know | 29 |
23.4%
|
| Sysmiss | 60765 |