| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 0 |
0%
|
| 0 | Less than 1 month | 0 |
0%
|
| 2 | 2 |
0.1%
|
|
| 3 | 8 |
0.4%
|
|
| 4 | 10 |
0.5%
|
|
| 5 | 38 |
1.8%
|
|
| 6 | 1589 |
74.4%
|
|
| 7 | 274 |
12.8%
|
|
| 8 | 120 |
5.6%
|
|
| 9 | 41 |
1.9%
|
|
| 10 | 3 |
0.1%
|
|
| 12 | 46 |
2.2%
|
|
| 24 | 4 |
0.2%
|