| Value | Category | Cases | |
|---|---|---|---|
| -2 | Ns/nc | 167 |
3.7%
|
| 0 | 3553 |
78.5%
|
|
| 1 | 571 |
12.6%
|
|
| 2 | 226 |
5%
|
|
| 3 | 7 |
0.2%
|
|
| 4 | 1 |
0%
|
|
| 6 | 1 |
0%
|
|
| 8 | 1 |
0%
|