| Value | Category | Cases | |
|---|---|---|---|
| 0 | 251 |
30.9%
|
|
| 1 | 168 |
20.7%
|
|
| 2 | 96 |
11.8%
|
|
| 3 | 58 |
7.2%
|
|
| 4 | 26 |
3.2%
|
|
| 5 | 15 |
1.8%
|
|
| 6 | 8 |
1%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 3 |
0.4%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 1 |
0.1%
|
|
| 12 | 2 |
0.2%
|
|
| 16 | 2 |
0.2%
|
|
| 20 | 2 |
0.2%
|
|
| 50 | 4 |
0.5%
|
|
| 77 | Don't know | 173 |
21.3%
|
| Sysmiss | 4186 |