| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 7 |
3%
|
| 2 | February | 5 |
2.1%
|
| 3 | March | 7 |
3%
|
| 4 | April | 64 |
27%
|
| 5 | May | 75 |
31.6%
|
| 6 | June | 44 |
18.6%
|
| 7 | July | 7 |
3%
|
| 8 | August | 7 |
3%
|
| 9 | September | 4 |
1.7%
|
| 10 | October | 2 |
0.8%
|
| 11 | November | 5 |
2.1%
|
| 12 | December | 10 |
4.2%
|
| Sysmiss | 153 |