| Value | Category | Cases | |
|---|---|---|---|
| 0 | 68 |
23.7%
|
|
| 1 | 10 |
3.5%
|
|
| 2 | 29 |
10.1%
|
|
| 3 | 29 |
10.1%
|
|
| 4 | 34 |
11.8%
|
|
| 5 | 25 |
8.7%
|
|
| 6 | 17 |
5.9%
|
|
| 7 | 6 |
2.1%
|
|
| 8 | 11 |
3.8%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 21 |
7.3%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 3 |
1%
|
|
| 13 | 1 |
0.3%
|
|
| 15 | 2 |
0.7%
|
|
| 16 | 1 |
0.3%
|
|
| 20 | 13 |
4.5%
|
|
| 25 | 2 |
0.7%
|
|
| 32 | 2 |
0.7%
|
|
| 40 | 1 |
0.3%
|
|
| 77 | Don't know | 10 |
3.5%
|
| Sysmiss | 4083 |