| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 4 |
0.9%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| Missing value | 412 |
97.6%
|