| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 30 |
1.4%
|
| 0 | Less than 1 month | 1 |
0%
|
| 1 | 3 |
0.1%
|
|
| 2 | 2 |
0.1%
|
|
| 3 | 1 |
0%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 3 |
0.1%
|
|
| 6 | 314 |
14.7%
|
|
| 7 | 52 |
2.4%
|
|
| 8 | 194 |
9.1%
|
|
| 9 | 101 |
4.7%
|
|
| 10 | 33 |
1.5%
|
|
| 11 | 2 |
0.1%
|
|
| 12 | 918 |
43%
|
|
| 13 | 28 |
1.3%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 26 |
1.2%
|
|
| 16 | 17 |
0.8%
|
|
| 18 | 119 |
5.6%
|
|
| 24 | 232 |
10.9%
|
|
| 25 | 1 |
0%
|
|
| 30 | 5 |
0.2%
|
|
| 36 | 40 |
1.9%
|
|
| 48 | 3 |
0.1%
|
|
| 50 | 1 |
0%
|
|
| 60 | 5 |
0.2%
|