| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 15 |
11%
|
| 2 | February | 15 |
11%
|
| 3 | March | 11 |
8.1%
|
| 4 | April | 13 |
9.6%
|
| 5 | May | 7 |
5.1%
|
| 6 | June | 9 |
6.6%
|
| 7 | July | 4 |
2.9%
|
| 8 | August | 1 |
0.7%
|
| 9 | September | 3 |
2.2%
|
| 10 | October | 15 |
11%
|
| 11 | November | 10 |
7.4%
|
| 12 | December | 4 |
2.9%
|
| 33 | Missing | 0 |
0%
|
| 55 | Not applicable | 0 |
0%
|
| 88 | Refused | 0 |
0%
|
| 99 | Don't know | 29 |
21.3%
|
| Sysmiss | 13782 |