| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 26 |
1.3%
|
| 2 | 1 | 6 |
0.3%
|
| 3 | 2 | 6 |
0.3%
|
| 4 | 3 | 2 |
0.1%
|
| 5 | 4 | 1 |
0.1%
|
| Missing value | 1941 |
97.9%
|