| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 4 |
2%
|
| 2 | February | 2 |
1%
|
| 3 | March | 4 |
2%
|
| 4 | April | 3 |
1.5%
|
| 5 | May | 3 |
1.5%
|
| 6 | June | 1 |
0.5%
|
| 7 | July | 4 |
2%
|
| 8 | August | 4 |
2%
|
| 9 | September | 8 |
4%
|
| 10 | October | 4 |
2%
|
| 11 | November | 6 |
3%
|
| 12 | December | 6 |
3%
|
| 33 | Missing | 0 |
0%
|
| 55 | Not applicable | 0 |
0%
|
| 88 | Refused | 0 |
0%
|
| 99 | Don't know | 150 |
75.4%
|
| Sysmiss | 22258 |