| Value | Category | Cases | |
|---|---|---|---|
| 3 | march | 491760 |
29.8%
|
| 6 | June | 408384 |
24.7%
|
| 9 | September | 391248 |
23.7%
|
| 12 | December | 360000 |
21.8%
|
| Sysmiss | 638352 |