| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 22 |
5.3%
|
| -66 | -66 (refuse to answer) | 1 |
0.2%
|
| 1 | January | 26 |
6.2%
|
| 2 | February | 27 |
6.5%
|
| 3 | March | 33 |
7.9%
|
| 4 | April | 37 |
8.9%
|
| 5 | May | 33 |
7.9%
|
| 6 | June | 43 |
10.3%
|
| 7 | July | 29 |
6.9%
|
| 8 | August | 41 |
9.8%
|
| 9 | September | 35 |
8.4%
|
| 10 | October | 32 |
7.7%
|
| 11 | November | 28 |
6.7%
|
| 12 | December | 31 |
7.4%
|
| Sysmiss | 961 |