| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) | 23 |
2.2%
|
| -66 | -66 (refuse to answer) | 6 |
0.6%
|
| 1 | January | 86 |
8.4%
|
| 2 | February | 66 |
6.5%
|
| 3 | March | 114 |
11.1%
|
| 4 | April | 92 |
9%
|
| 5 | May | 98 |
9.6%
|
| 6 | June | 92 |
9%
|
| 7 | July | 77 |
7.5%
|
| 8 | August | 93 |
9.1%
|
| 9 | September | 79 |
7.7%
|
| 10 | October | 79 |
7.7%
|
| 11 | November | 56 |
5.5%
|
| 12 | December | 62 |
6.1%
|
| Sysmiss | 93 |