Value | Category | Cases | |
---|---|---|---|
1 | 1. More than 3 years | 4 |
1.7%
|
2 | 2. 1-3 years | 8 |
3.4%
|
3 | 3. 6 months - 1 year | 12 |
5.1%
|
4 | 4. 1-6 months | 6 |
2.6%
|
5 | 5. Less than a month | 1 |
0.4%
|
7 | 7. Not applicable | 164 |
70.1%
|
8 | 8. Refuse to answer | 39 |
16.7%
|