| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 13 |
3%
|
| 2 | February | 12 |
2.8%
|
| 3 | March | 27 |
6.3%
|
| 4 | April | 23 |
5.3%
|
| 5 | May | 32 |
7.4%
|
| 6 | June | 43 |
10%
|
| 7 | July | 37 |
8.6%
|
| 8 | August | 47 |
10.9%
|
| 9 | September | 53 |
12.3%
|
| 10 | October | 50 |
11.6%
|
| 11 | November | 24 |
5.6%
|
| 12 | December | 15 |
3.5%
|
| 99 | Don't know | 55 |
12.8%
|
| Sysmiss | 1567 |