| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 890 |
79.5%
|
| 2 | 1 | 197 |
17.6%
|
| 3 | 2 | 8 |
0.7%
|
| 4 | 3 | 2 |
0.2%
|
| Missing value | 22 |
2%
|