| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 1666 |
72.2%
|
| 1 | january | 63 |
2.7%
|
| 2 | february | 42 |
1.8%
|
| 3 | march | 41 |
1.8%
|
| 4 | april | 41 |
1.8%
|
| 5 | may | 38 |
1.6%
|
| 6 | june | 37 |
1.6%
|
| 7 | july | 43 |
1.9%
|
| 8 | august | 49 |
2.1%
|
| 9 | september | 82 |
3.6%
|
| 10 | october | 121 |
5.2%
|
| 11 | november | 58 |
2.5%
|
| 12 | december | 24 |
1%
|
| 9999995 | missing:impute | 4 |
0.2%
|
| Sysmiss | 474 |