| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 1 | 385 |
33.7%
|
|
| 2 | 474 |
41.5%
|
|
| 3 | 176 |
15.4%
|
|
| 4 | 60 |
5.2%
|
|
| 5 | 32 |
2.8%
|
|
| 6 | 9 |
0.8%
|
|
| 7 | 3 |
0.3%
|
|
| 8 | 2 |
0.2%
|
|
| Missing value | 3 |