| Value | Category | Cases | |
|---|---|---|---|
| 0 | 93 |
13.9%
|
|
| 1 | 8 |
1.2%
|
|
| 2 | 16 |
2.4%
|
|
| 3 | 5 |
0.7%
|
|
| 4 | 3 |
0.4%
|
|
| 5 | 3 |
0.4%
|
|
| Missing value | 539 |
80.8%
|