| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 1858 |
75.4%
|
| 1 | january | 33 |
1.3%
|
| 2 | february | 48 |
1.9%
|
| 3 | march | 32 |
1.3%
|
| 4 | april | 27 |
1.1%
|
| 5 | may | 31 |
1.3%
|
| 6 | june | 36 |
1.5%
|
| 7 | july | 43 |
1.7%
|
| 8 | august | 35 |
1.4%
|
| 9 | september | 97 |
3.9%
|
| 10 | october | 104 |
4.2%
|
| 11 | november | 47 |
1.9%
|
| 12 | december | 68 |
2.8%
|
| 9999995 | missing:impute | 5 |
0.2%
|
| Sysmiss | 319 |