| Value | Category | Cases | |
|---|---|---|---|
| 1 | jan | 47 |
1.1%
|
| 2 | feb | 22 |
0.5%
|
| 3 | mar | 20 |
0.5%
|
| 4 | apr | 30 |
0.7%
|
| 5 | may | 33 |
0.8%
|
| 6 | jun | 47 |
1.1%
|
| 7 | jul | 45 |
1.1%
|
| 8 | aug | 30 |
0.7%
|
| 9 | sep | 26 |
0.6%
|
| 10 | oct | 38 |
0.9%
|
| 11 | nov | 683 |
16.2%
|
| 12 | dec | 27 |
0.6%
|
| 98 | don't know | 114 |
2.7%
|
| 99 | not applicable | 2970 |
70.4%
|
| 9999995 | missing:impute | 88 |
2.1%
|
| Sysmiss | 13 |