| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 month | 61 |
0%
|
| 1 | 275 |
0%
|
|
| 2 | 76 |
0%
|
|
| 3 | 25 |
0%
|
|
| 4 | 12 |
0%
|
|
| 5 | 6 |
0%
|
|
| 6 | 10 |
0%
|
|
| 7 | 4 |
0%
|
|
| 8 | 4 |
0%
|
|
| 9 | 3 |
0%
|
|
| 11 | 1 |
0%
|
|
| 12 | 39 |
0%
|
|
| 13 | 2 |
0%
|
|
| 15 | 1 |
0%
|
|
| 18 | 4 |
0%
|
|
| 24 | 27 |
0%
|
|
| 27 | 1 |
0%
|
|
| 36 | 17 |
0%
|
|
| 39 | 1 |
0%
|
|
| 48 | 11 |
0%
|
|
| 51 | 1 |
0%
|
|
| 60 | 19 |
0%
|
|
| 63 | 1 |
0%
|
|
| 66 | 3 |
0%
|
|
| 72 | 3 |
0%
|
|
| 96 | 1 |
0%
|
|
| 108 | 5 |
0%
|
|
| 117 | 1 |
0%
|
|
| 120 | 11 |
0%
|
|
| 168 | 1 |
0%
|
|
| 240 | 1 |
0%
|
|
| 600 | 1 |
0%
|
|
| 1056 | 1 |
0%
|
|
| 1068 | 1 |
0%
|
|
| 9991 | since birth | 0 |
0%
|
| 9993 | rest of life | 1349 |
0%
|
| 9994 | no duration given | 129 |
0%
|
| 9996 | other | 0 |
0%
|
| 9997 | refused | 11 |
0%
|
| 9998 | don't know | 25237 |
0.8%
|
| 9999 | NIU (not in universe) | 3117472 |
94.6%
|
| 9999995 | missing:impute | 150242 |
4.6%
|
