| Value | Category | Cases | |
|---|---|---|---|
| 1 | 63 |
9.9%
|
|
| 2 | 21 |
3.3%
|
|
| 3 | 3 |
0.5%
|
|
| 4 | 2 |
0.3%
|
|
| 5 | 2 |
0.3%
|
|
| Missing value | 545 |
85.7%
|