| Value | Category | Cases | |
|---|---|---|---|
| 0 | 447 |
58.4%
|
|
| 0.5 | 4 |
0.5%
|
|
| 1 | 41 |
5.4%
|
|
| 1.5 | 1 |
0.1%
|
|
| 2 | 46 |
6%
|
|
| 3 | 31 |
4%
|
|
| 4 | 30 |
3.9%
|
|
| 5 | 54 |
7%
|
|
| 6 | 21 |
2.7%
|
|
| 7 | 15 |
2%
|
|
| 8 | 8 |
1%
|
|
| 10 | 31 |
4%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 8 |
1%
|
|
| 13 | 3 |
0.4%
|
|
| 15 | 10 |
1.3%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 4 |
0.5%
|
|
| 77 | Don't know | 9 |
1.2%
|
| Sysmiss | 4827 |