| Value | Category | Cases | |
|---|---|---|---|
| 0 | 961 |
34.8%
|
|
| 1 | 385 |
13.9%
|
|
| 2 | 449 |
16.2%
|
|
| 3 | 350 |
12.7%
|
|
| 4 | 160 |
5.8%
|
|
| 5 | 89 |
3.2%
|
|
| 6 | 68 |
2.5%
|
|
| 7 | 302 |
10.9%
|
|
| Missing value | 579 |