| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 15 |
1.7%
|
| 2 | 3 | 552 |
63.4%
|
| 3 | 4 | 207 |
23.8%
|
| 4 | 5 | 42 |
4.8%
|
| 5 | 6 | 36 |
4.1%
|
| 6 | 7 | 1 |
0.1%
|
| 7 | 8 | 8 |
0.9%
|
| 8 | 98 | 1 |
0.1%
|
| Missing value | 8 |
0.9%
|