| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to respond | 0 |
0%
|
| -98 | Don't know | 0 |
0%
|
| 1 | Less than 1 year | 6 |
3.1%
|
| 2 | 1 to 3 years | 8 |
4.2%
|
| 3 | 4 to 10 years | 40 |
20.9%
|
| 4 | 10 to 20 years | 35 |
18.3%
|
| 5 | More than 20 years | 102 |
53.4%
|
| 2147483622 | Don't know | 0 |
0%
|
| 2147483623 | Refused to respond | 0 |
0%
|
| 2147483647 | Not administered | 0 |
0%
|
| 11 | .Z | 5901 |