| Value | Category | Cases | |
|---|---|---|---|
| 0 | 228 |
80.9%
|
|
| 1 | 9 |
3.2%
|
|
| 2 | 5 |
1.8%
|
|
| 3 | 7 |
2.5%
|
|
| 4 | 5 |
1.8%
|
|
| 5 | 3 |
1.1%
|
|
| 6 | 5 |
1.8%
|
|
| 8 | 5 |
1.8%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 5 |
1.8%
|
|
| 12 | 4 |
1.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 1 |
0.4%
|
|
| 16 | 1 |
0.4%
|
|
| 18 | 1 |
0.4%
|
|
| 77 | Don't know | 1 |
0.4%
|
| Sysmiss | 272 |