| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 0 |
0%
|
| 2 | February | 33 |
47.1%
|
| 3 | March | 7 |
10%
|
| 4 | April | 3 |
4.3%
|
| 5 | May | 4 |
5.7%
|
| 6 | June | 1 |
1.4%
|
| 7 | July | 5 |
7.1%
|
| 8 | August | 1 |
1.4%
|
| 9 | September | 4 |
5.7%
|
| 10 | October | 4 |
5.7%
|
| 11 | November | 4 |
5.7%
|
| 12 | December | 4 |
5.7%
|
| 111 | Used all year | 0 |
0%
|
| 888 | Don't know | 0 |
0%
|
| Sysmiss | 3833 |