| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 30 |
9.9%
|
| 2 | February | 20 |
6.6%
|
| 3 | March | 22 |
7.3%
|
| 4 | April | 20 |
6.6%
|
| 5 | May | 25 |
8.3%
|
| 6 | June | 26 |
8.6%
|
| 7 | July | 26 |
8.6%
|
| 8 | August | 20 |
6.6%
|
| 9 | September | 22 |
7.3%
|
| 10 | October | 34 |
11.3%
|
| 11 | November | 23 |
7.6%
|
| 12 | December | 19 |
6.3%
|
| 77 | Don't Know | 15 |
5%
|
| Sysmiss | 3948 |