| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don?t know | 18 |
0.8%
|
| 0 | Less than 1 month | 23 |
1.1%
|
| 1 | 12 |
0.6%
|
|
| 2 | 40 |
1.9%
|
|
| 3 | 117 |
5.5%
|
|
| 4 | 95 |
4.4%
|
|
| 5 | 75 |
3.5%
|
|
| 6 | 1702 |
79.7%
|
|
| 7 | 6 |
0.3%
|
|
| 8 | 4 |
0.2%
|
|
| 9 | 2 |
0.1%
|
|
| 12 | 22 |
1%
|
|
| 16 | 1 |
0%
|
|
| 18 | 4 |
0.2%
|
|
| 24 | 11 |
0.5%
|
|
| 36 | 2 |
0.1%
|
|
| 45 | 1 |
0%
|