| Value | Category | Cases | |
|---|---|---|---|
| 0 | less than 1 year | 838 |
2.7%
|
| 1 | 202 |
0.7%
|
|
| 2 | 77 |
0.3%
|
|
| 4 | 66 |
0.2%
|
|
| 5 | 10 |
0%
|
|
| 6 | 18 |
0.1%
|
|
| 8 | 15 |
0%
|
|
| 9 | 6 |
0%
|
|
| 10 | 6 |
0%
|
|
| 12 | 12 |
0%
|
|
| 13 | 6 |
0%
|
|
| 14 | 6 |
0%
|
|
| 16 | 10 |
0%
|
|
| 17 | 10 |
0%
|
|
| 18 | 9 |
0%
|
|
| 20 | 12 |
0%
|
|
| 21 | 7 |
0%
|
|
| 22 | 4 |
0%
|
|
| 24 | 8 |
0%
|
|
| 25 | 2 |
0%
|
|
| 26 | 2 |
0%
|
|
| 28 | 3 |
0%
|
|
| 29 | 1 |
0%
|
|
| 34 | 1 |
0%
|
|
| 991 | since birth | 0 |
0%
|
| 993 | rest of life | 0 |
0%
|
| 994 | no duration given | 0 |
0%
|
| 996 | other | 0 |
0%
|
| 997 | refused | 1 |
0%
|
| 998 | don't know | 0 |
0%
|
| 999 | NIU (not in universe) | 29125 |
95.1%
|
| 9999995 | missing:impute | 160 |
0.5%
|