| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 2307 |
99.9%
|
| 1 | january | 0 |
0%
|
| 2 | february | 0 |
0%
|
| 3 | march | 1 |
0%
|
| 4 | april | 1 |
0%
|
| 5 | may | 0 |
0%
|
| 6 | june | 0 |
0%
|
| 7 | july | 0 |
0%
|
| 8 | august | 0 |
0%
|
| 9 | september | 0 |
0%
|
| 10 | october | 0 |
0%
|
| 11 | november | 0 |
0%
|
| 12 | december | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 474 |