| Value | Category | Cases | |
|---|---|---|---|
| 0 | 475 |
62%
|
|
| 0.5 | 2 |
0.3%
|
|
| 1 | 23 |
3%
|
|
| 2 | 34 |
4.4%
|
|
| 3 | 53 |
6.9%
|
|
| 4 | 42 |
5.5%
|
|
| 5 | 58 |
7.6%
|
|
| 6 | 20 |
2.6%
|
|
| 7 | 10 |
1.3%
|
|
| 8 | 8 |
1%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 14 |
1.8%
|
|
| 12 | 9 |
1.2%
|
|
| 15 | 3 |
0.4%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 2 |
0.3%
|
|
| 40 | 1 |
0.1%
|
|
| 77 | Don't know | 9 |
1.2%
|
| Sysmiss | 4827 |