| Value | Category | Cases | |
|---|---|---|---|
| 1 | january | 449 |
6.5%
|
| 2 | february | 571 |
8.2%
|
| 3 | march | 631 |
9.1%
|
| 4 | april | 642 |
9.2%
|
| 5 | may | 656 |
9.4%
|
| 6 | june | 636 |
9.2%
|
| 7 | july | 590 |
8.5%
|
| 8 | august | 555 |
8%
|
| 9 | september | 616 |
8.9%
|
| 10 | october | 563 |
8.1%
|
| 11 | november | 420 |
6%
|
| 12 | december | 395 |
5.7%
|
| 97 | Inconsistent | 2 |
0%
|
| 99 | Missing | 220 |
3.2%
|
| Sysmiss | 9568 |