| Value | Category | Cases | |
|---|---|---|---|
| 0 | 343 |
53.5%
|
|
| 1 | 132 |
20.6%
|
|
| 2 | 109 |
17%
|
|
| 3 | 36 |
5.6%
|
|
| 4 | 12 |
1.9%
|
|
| 5 | 6 |
0.9%
|
|
| 7 | 2 |
0.3%
|
|
| Missing value | 1 |
0.2%
|