| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) | 29 |
2.6%
|
| -66 | -66 (refuse to answer) | 4 |
0.4%
|
| 1 | January | 119 |
10.7%
|
| 2 | February | 127 |
11.4%
|
| 3 | March | 145 |
13%
|
| 4 | April | 112 |
10%
|
| 5 | May | 112 |
10%
|
| 6 | June | 106 |
9.5%
|
| 7 | July | 82 |
7.3%
|
| 8 | August | 60 |
5.4%
|
| 9 | September | 60 |
5.4%
|
| 10 | October | 56 |
5%
|
| 11 | November | 34 |
3%
|
| 12 | December | 70 |
6.3%
|