| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 2 |
0.6%
|
| 2 | February | 17 |
5%
|
| 3 | March | 215 |
63%
|
| 4 | April | 49 |
14.4%
|
| 5 | May | 21 |
6.2%
|
| 6 | June | 9 |
2.6%
|
| 7 | July | 10 |
2.9%
|
| 8 | August | 8 |
2.3%
|
| 9 | September | 3 |
0.9%
|
| 10 | October | 2 |
0.6%
|
| 11 | November | 1 |
0.3%
|
| 12 | December | 4 |
1.2%
|
| Sysmiss | 35 |