| Value | Category | Cases | |
|---|---|---|---|
| 1 | First quarter of the year | 4123 |
26.2%
|
| 2 | Second quarter of the year | 3724 |
23.6%
|
| 3 | Third quarter of the year | 4065 |
25.8%
|
| 4 | Fourth quarter of the year | 3841 |
24.4%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 177 | |
| Sysmiss | 1328 |