| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 week - less than 1 month | 23 |
2.3%
|
| 2 | 1 month - less than 2 months | 12 |
1.2%
|
| 3 | 2 months - less than 3 months | 13 |
1.3%
|
| 4 | 3 months - less than 4 months | 6 |
0.6%
|
| 5 | 4 months - less than 5 months | 4 |
0.4%
|
| 6 | 5 months - less than 6 months | 5 |
0.5%
|
| 7 | 6 months - less than 1 year | 21 |
2.1%
|
| 8 | 1 year - less than 2 years | 22 |
2.2%
|
| 9 | 2 year - less than 3 years | 24 |
2.4%
|
| 10 | 3 years or more | 161 |
16.1%
|
| 11 | Don't know | 1 |
0.1%
|
| 88 | Not applicable | 216 |
21.6%
|
| 99 | Unspecified | 490 |
49.1%
|