| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
11.7%
|
|
| 1 | 10 |
9.7%
|
|
| 2 | 7 |
6.8%
|
|
| 3 | 6 |
5.8%
|
|
| 4 | 7 |
6.8%
|
|
| 5 | 8 |
7.8%
|
|
| 6 | 2 |
1.9%
|
|
| 7 | 5 |
4.9%
|
|
| 8 | 2 |
1.9%
|
|
| 10 | 6 |
5.8%
|
|
| 11 | 1 |
1%
|
|
| 13 | 2 |
1.9%
|
|
| 20 | 10 |
9.7%
|
|
| 21 | 1 |
1%
|
|
| 25 | 1 |
1%
|
|
| 40 | 2 |
1.9%
|
|
| 60 | 1 |
1%
|
|
| 80 | 2 |
1.9%
|
|
| 350 | 5 |
4.9%
|
|
| 777 | Don't know | 13 |
12.6%
|
| Sysmiss | 1284 |