| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 8 |
0.4%
|
| 0 | Less than 1 month | 53 |
2.5%
|
| 1 | 14 |
0.7%
|
|
| 2 | 20 |
0.9%
|
|
| 3 | 43 |
2%
|
|
| 4 | 51 |
2.4%
|
|
| 5 | 42 |
2%
|
|
| 6 | 1453 |
68.1%
|
|
| 7 | 99 |
4.6%
|
|
| 8 | 110 |
5.2%
|
|
| 9 | 15 |
0.7%
|
|
| 10 | 9 |
0.4%
|
|
| 12 | 133 |
6.2%
|
|
| 13 | 3 |
0.1%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 19 |
0.9%
|
|
| 16 | 10 |
0.5%
|
|
| 18 | 20 |
0.9%
|
|
| 24 | 27 |
1.3%
|
|
| 36 | 4 |
0.2%
|