| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 10 |
2.8%
|
| -1 | refuse | 5 |
1.4%
|
| 0 | 186 |
52.2%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 10 |
2.8%
|
|
| 3 | 12 |
3.4%
|
|
| 4 | 12 |
3.4%
|
|
| 5 | 18 |
5.1%
|
|
| 6 | 4 |
1.1%
|
|
| 7 | 6 |
1.7%
|
|
| 8 | 3 |
0.8%
|
|
| 9 | 2 |
0.6%
|
|
| 10 | 16 |
4.5%
|
|
| 12 | 7 |
2%
|
|
| 15 | 21 |
5.9%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 13 |
3.7%
|
|
| 24 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 12 |
3.4%
|
|
| 31 | 1 |
0.3%
|
|
| 32 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 3 |
0.8%
|
|
| 46 | 1 |
0.3%
|
|
| 50 | 2 |
0.6%
|
|
| 70 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 120 | 1 |
0.3%
|
|
| 150 | 1 |
0.3%
|
|
| Sysmiss | 693 |