| Value | Category | Cases | |
|---|---|---|---|
| 1 | One day | 228 |
1.8%
|
| 2 | One week | 3059 |
24.5%
|
| 3 | One month | 3328 |
26.7%
|
| 4 | Between one month and one year | 1473 |
11.8%
|
| 5 | One year | 808 |
6.5%
|
| 6 | Longer than one year | 880 |
7.1%
|
| 7 | Don?t know (Do not read) | 2704 |
21.7%
|