| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 5 |
5.9%
|
| 2 | February | 6 |
7.1%
|
| 3 | March | 6 |
7.1%
|
| 4 | April | 7 |
8.2%
|
| 5 | May | 6 |
7.1%
|
| 6 | June | 3 |
3.5%
|
| 7 | July | 5 |
5.9%
|
| 8 | August | 4 |
4.7%
|
| 9 | September | 0 |
0%
|
| 10 | October | 4 |
4.7%
|
| 11 | November | 1 |
1.2%
|
| 12 | December | 2 |
2.4%
|
| 97 | Don't know | 36 |
42.4%
|
| Sysmiss | 4459 |