| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (Don't know) | 78 |
6.6%
|
| -66 | -66 (refuse to answer) | 1 |
0.1%
|
| 1 | January | 93 |
7.9%
|
| 2 | February | 72 |
6.1%
|
| 3 | March | 99 |
8.4%
|
| 4 | April | 112 |
9.5%
|
| 5 | May | 95 |
8.1%
|
| 6 | June | 119 |
10.1%
|
| 7 | July | 106 |
9%
|
| 8 | August | 110 |
9.3%
|
| 9 | September | 95 |
8.1%
|
| 10 | October | 66 |
5.6%
|
| 11 | November | 68 |
5.8%
|
| 12 | December | 66 |
5.6%
|
| Sysmiss | 199 |