| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know/ remember | 14 |
1.4%
|
| -95 | N/A: Not given yet | 640 |
63.5%
|
| 0 | less than a month | 23 |
2.3%
|
| 5 | 1 |
0.1%
|
|
| 6 | 83 |
8.2%
|
|
| 7 | 22 |
2.2%
|
|
| 8 | 51 |
5.1%
|
|
| 9 | 21 |
2.1%
|
|
| 10 | 19 |
1.9%
|
|
| 11 | 3 |
0.3%
|
|
| 12 | 105 |
10.4%
|
|
| 13 | 4 |
0.4%
|
|
| 14 | 3 |
0.3%
|
|
| 15 | 4 |
0.4%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 9 |
0.9%
|
|
| 19 | 1 |
0.1%
|
|
| 24 | 4 |
0.4%
|
|
| Sysmiss | 1127 |