| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 76 |
4.2%
|
| 2 | 2 | 62 |
3.5%
|
| 3 | 3 | 20 |
1.1%
|
| 4 | 4 | 9 |
0.5%
|
| 5 | 5 | 6 |
0.3%
|
| 6 | 7 | 1 |
0.1%
|
| 7 | 8 | 1 |
0.1%
|
| Missing value | 1620 |
90.3%
|