| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
32.5%
|
|
| 1 | 3 |
7.5%
|
|
| 3 | 1 |
2.5%
|
|
| 12 | 1 |
2.5%
|
|
| 15 | 1 |
2.5%
|
|
| 24 | 1 |
2.5%
|
|
| 70 | 1 |
2.5%
|
|
| 998 | Don't Know | 19 |
47.5%
|
| Sysmiss | 4504 |