| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 4 |
1.4%
|
| 2 | February | 5 |
1.8%
|
| 3 | March | 2 |
0.7%
|
| 4 | April | 6 |
2.2%
|
| 5 | May | 4 |
1.4%
|
| 6 | June | 9 |
3.3%
|
| 7 | July | 8 |
2.9%
|
| 8 | August | 3 |
1.1%
|
| 9 | September | 11 |
4%
|
| 10 | October | 4 |
1.4%
|
| 11 | November | 8 |
2.9%
|
| 12 | December | 10 |
3.6%
|
| 33 | Missing | 2 |
0.7%
|
| 55 | Not applicable | 0 |
0%
|
| 88 | Refused | 3 |
1.1%
|
| 99 | Don't know | 197 |
71.4%
|
| Sysmiss | 21598 |