| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 20 |
1%
|
| -1 | Don't know | 17 |
0.8%
|
| 0 | 2002 |
96.3%
|
|
| 6 | 1 |
0%
|
|
| 18 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| 24 | 1 |
0%
|
|
| 30 | 1 |
0%
|
|
| 40 | 3 |
0.1%
|
|
| 50 | 2 |
0.1%
|
|
| 58 | 2 |
0.1%
|
|
| 60 | 3 |
0.1%
|
|
| 70 | 1 |
0%
|
|
| 79 | 1 |
0%
|
|
| 90 | 1 |
0%
|
|
| 100 | 4 |
0.2%
|
|
| 120 | 1 |
0%
|
|
| 125 | 2 |
0.1%
|
|
| 140 | 1 |
0%
|
|
| 150 | 1 |
0%
|
|
| 160 | 1 |
0%
|
|
| 180 | 1 |
0%
|
|
| 200 | 3 |
0.1%
|
|
| 210 | 1 |
0%
|
|
| 250 | 2 |
0.1%
|
|
| 280 | 1 |
0%
|
|
| 300 | 2 |
0.1%
|
|
| 430 | 1 |
0%
|
|
| Sysmiss | 55 |