| Value | Category | Cases | |
|---|---|---|---|
| 1 | One day | 766 |
5.5%
|
| 2 | One week | 3453 |
24.7%
|
| 3 | One month | 4282 |
30.6%
|
| 4 | Three to six months | 1937 |
13.8%
|
| 5 | Seven to 11 months | 283 |
2%
|
| 6 | One year | 2018 |
14.4%
|
| 7 | Longer than one year | 513 |
3.7%
|
| 99 | Don?t know | 742 |
5.3%
|