| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. none | 169 |
3.9%
|
| 1 | 1. 1 to 2 | 1152 |
26.4%
|
| 2 | 2. 3 to 5 | 1621 |
37.2%
|
| 3 | 3. 6 to 8 | 1032 |
23.7%
|
| 4 | 4. 9 to 10 | 377 |
8.6%
|
| 77 | 77. d/r | 0 |
0%
|
| 99 | 99. miising | 10 |
0.2%
|
| Sysmiss | 177 |