| Value | Category | Cases | |
|---|---|---|---|
| 0 | 140 |
1.2%
|
|
| 1 | 228 |
2%
|
|
| 2 | 662 |
5.7%
|
|
| 3 | 1187 |
10.3%
|
|
| 4 | 1317 |
11.4%
|
|
| 5 | 1600 |
13.9%
|
|
| 6 | 835 |
7.2%
|
|
| 7 | 5125 |
44.5%
|
|
| Missing value | 431 |
3.7%
|