| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
10%
|
|
| 0.5 | 1 |
10%
|
|
| 1 | 2 |
20%
|
|
| 1.5 | 1 |
10%
|
|
| 2 | 2 |
20%
|
|
| 3 | 1 |
10%
|
|
| 4 | 2 |
20%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4960 |