| Value | Category | Cases | |
|---|---|---|---|
| 1 | The whole period | 12751 |
18.1%
|
| 2 | 9 months or more, but less than 12 months | 931 |
1.3%
|
| 3 | 6 months or more, but less than 9 months | 767 |
1.1%
|
| 4 | 3 months or more, but less than 6 months | 727 |
1%
|
| 5 | Less than 3 months | 1235 |
1.8%
|
| 6 | Do not know | 39 |
0.1%
|
| 8 | Not applicable | 53885 |
76.6%
|
| 9 | Unspecified | 4 |
0%
|