| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 16 |
7.6%
|
| 2 | February | 18 |
8.5%
|
| 3 | March | 10 |
4.7%
|
| 4 | April | 20 |
9.5%
|
| 5 | May | 13 |
6.2%
|
| 6 | June | 20 |
9.5%
|
| 7 | July | 13 |
6.2%
|
| 8 | August | 21 |
10%
|
| 9 | September | 25 |
11.8%
|
| 10 | October | 23 |
10.9%
|
| 11 | November | 17 |
8.1%
|
| 12 | December | 14 |
6.6%
|
| 99 | Missing | 1 |
0.5%
|
| Sysmiss | 37 |