| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 83 |
14.9%
|
| 2 | February | 32 |
5.7%
|
| 3 | March | 48 |
8.6%
|
| 4 | April | 25 |
4.5%
|
| 5 | May | 30 |
5.4%
|
| 6 | June | 17 |
3%
|
| 7 | July | 18 |
3.2%
|
| 8 | August | 17 |
3%
|
| 9 | September | 14 |
2.5%
|
| 10 | October | 17 |
3%
|
| 11 | November | 17 |
3%
|
| 12 | December | 11 |
2%
|
| 98 | Unknown | 229 |
41%
|
| Sysmiss | 15268 |