| Value | Category | Cases | |
|---|---|---|---|
| 0 | 401 |
48%
|
|
| 1 | 91 |
10.9%
|
|
| 2 | 131 |
15.7%
|
|
| 3 | 115 |
13.8%
|
|
| 4 | 47 |
5.6%
|
|
| 5 | 24 |
2.9%
|
|
| 6 | 4 |
0.5%
|
|
| 7 | 19 |
2.3%
|
|
| Missing value | 4 |
0.5%
|