| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 15 |
5.1%
|
| 2 | February | 5 |
1.7%
|
| 3 | March | 8 |
2.7%
|
| 4 | April | 71 |
24.2%
|
| 5 | May | 100 |
34.1%
|
| 6 | June | 46 |
15.7%
|
| 7 | July | 8 |
2.7%
|
| 8 | August | 10 |
3.4%
|
| 9 | September | 6 |
2%
|
| 10 | October | 3 |
1%
|
| 11 | November | 8 |
2.7%
|
| 12 | December | 13 |
4.4%
|
| Sysmiss | 97 |