| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 649 |
78.5%
|
| -8 | Refused | 1 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0.1%
|
| 6 | 1 |
0.1%
|
|
| 7 | 3 |
0.4%
|
|
| 8 | 3 |
0.4%
|
|
| 9 | 2 |
0.2%
|
|
| 10 | 3 |
0.4%
|
|
| 11 | 2 |
0.2%
|
|
| 12 | 7 |
0.8%
|
|
| 13 | 7 |
0.8%
|
|
| 14 | 4 |
0.5%
|
|
| 15 | 11 |
1.3%
|
|
| 16 | 24 |
2.9%
|
|
| 17 | 28 |
3.4%
|
|
| 18 | 55 |
6.7%
|
|
| 19 | 11 |
1.3%
|
|
| 20 | 15 |
1.8%
|
|
| Sysmiss | 1125 |