| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 2 | 1 |
0.1%
|
|
| 3 | 35 |
4.7%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Missing value | 706 |
94.5%
|