| Value | Category | Cases | |
|---|---|---|---|
| 0 | 148 |
64.9%
|
|
| 1 | 6 |
2.6%
|
|
| 2 | 6 |
2.6%
|
|
| 3 | 5 |
2.2%
|
|
| 4 | 3 |
1.3%
|
|
| 5 | 4 |
1.8%
|
|
| 6 | 8 |
3.5%
|
|
| 7 | 2 |
0.9%
|
|
| 10 | 6 |
2.6%
|
|
| 12 | 2 |
0.9%
|
|
| 15 | 1 |
0.4%
|
|
| 17 | 1 |
0.4%
|
|
| 20 | 11 |
4.8%
|
|
| 60 | 1 |
0.4%
|
|
| 70 | 1 |
0.4%
|
|
| 77 | Don't know | 21 |
9.2%
|
| 80 | 1 |
0.4%
|
|
| 140 | 1 |
0.4%
|
|
| Sysmiss | 7138 |