| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 129 |
8.6%
|
| 1 | January | 153 |
10.1%
|
| 2 | Februray | 90 |
6%
|
| 3 | March | 110 |
7.3%
|
| 4 | April | 81 |
5.4%
|
| 5 | May | 141 |
9.4%
|
| 6 | June | 134 |
8.9%
|
| 7 | July | 123 |
8.2%
|
| 8 | August | 120 |
8%
|
| 9 | September | 104 |
6.9%
|
| 10 | October | 129 |
8.6%
|
| 11 | November | 107 |
7.1%
|
| 12 | December | 87 |
5.8%
|
| Sysmiss | 8392 |