| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 819 |
85.1%
|
| 2 | 1 | 32 |
3.3%
|
| 3 | 2 | 22 |
2.3%
|
| 4 | 3 | 9 |
0.9%
|
| 5 | 4 | 5 |
0.5%
|
| 6 | 5 | 1 |
0.1%
|
| 7 | 7 | 14 |
1.5%
|
| Missing value | 60 |
6.2%
|