| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 72 |
2.5%
|
| 2 | 1 | 3 |
0.1%
|
| 3 | 2 | 47 |
1.7%
|
| 4 | 3 | 12 |
0.4%
|
| 5 | 4 | 9 |
0.3%
|
| 6 | 5 | 6 |
0.2%
|
| 7 | 6 | 3 |
0.1%
|
| 8 | 7 | 8 |
0.3%
|
| Missing value | 2675 |
94.4%
|