| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 26 |
1.2%
|
| 0 | Less than 1 month | 1 |
0%
|
| 1 | 2 |
0.1%
|
|
| 2 | 1 |
0%
|
|
| 3 | 1 |
0%
|
|
| 4 | 1 |
0%
|
|
| 5 | 2 |
0.1%
|
|
| 6 | 287 |
13.4%
|
|
| 7 | 47 |
2.2%
|
|
| 8 | 160 |
7.5%
|
|
| 9 | 76 |
3.6%
|
|
| 10 | 33 |
1.5%
|
|
| 11 | 3 |
0.1%
|
|
| 12 | 918 |
43%
|
|
| 13 | 24 |
1.1%
|
|
| 15 | 31 |
1.5%
|
|
| 16 | 12 |
0.6%
|
|
| 18 | 126 |
5.9%
|
|
| 20 | 1 |
0%
|
|
| 24 | 314 |
14.7%
|
|
| 25 | 1 |
0%
|
|
| 26 | 1 |
0%
|
|
| 30 | 10 |
0.5%
|
|
| 36 | 46 |
2.2%
|
|
| 48 | 3 |
0.1%
|
|
| 60 | 8 |
0.4%
|