| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
7.9%
|
|
| 1 | 31 |
16.3%
|
|
| 2 | 32 |
16.8%
|
|
| 3 | 29 |
15.3%
|
|
| 4 | 24 |
12.6%
|
|
| 5 | 13 |
6.8%
|
|
| 6 | 12 |
6.3%
|
|
| 7 | 5 |
2.6%
|
|
| 8 | 1 |
0.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 5 |
2.6%
|
|
| 12 | 3 |
1.6%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 3 |
1.6%
|
|
| 46 | 1 |
0.5%
|
|
| 50 | 3 |
1.6%
|
|
| 77 | Don't know | 11 |
5.8%
|
| Sysmiss | 1966 |