| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) | 2 |
2.2%
|
| -66 | -66 (refuse to answer) | 1 |
1.1%
|
| 1 | January | 6 |
6.5%
|
| 2 | February | 5 |
5.4%
|
| 3 | March | 5 |
5.4%
|
| 4 | April | 9 |
9.7%
|
| 5 | May | 9 |
9.7%
|
| 6 | June | 10 |
10.8%
|
| 7 | July | 6 |
6.5%
|
| 8 | August | 7 |
7.5%
|
| 9 | September | 7 |
7.5%
|
| 10 | October | 8 |
8.6%
|
| 11 | November | 2 |
2.2%
|
| 12 | December | 16 |
17.2%
|
| Sysmiss | 1023 |