| Value | Category | Cases | |
|---|---|---|---|
| 1 | 387 |
9.6%
|
|
| 2 | 206 |
5.1%
|
|
| 3 | 64 |
1.6%
|
|
| 4 | 22 |
0.5%
|
|
| 5 | 4 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| 7 | 43 |
1.1%
|
|
| Missing value | 3298 |
81.9%
|