| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
8%
|
|
| 1.5 | 4 |
8%
|
|
| 2 | 8 |
16%
|
|
| 3 | 6 |
12%
|
|
| 3.5 | 1 |
2%
|
|
| 4 | 5 |
10%
|
|
| 5 | 4 |
8%
|
|
| 6 | 2 |
4%
|
|
| 7 | 1 |
2%
|
|
| 8 | 2 |
4%
|
|
| 9 | 1 |
2%
|
|
| 10 | 2 |
4%
|
|
| 12 | 3 |
6%
|
|
| 13 | 2 |
4%
|
|
| 15 | 1 |
2%
|
|
| 18 | 1 |
2%
|
|
| 20 | 1 |
2%
|
|
| 29 | 1 |
2%
|
|
| 60 | 1 |
2%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4920 |