| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
0.3%
|
|
| 1 | 97 |
2.3%
|
|
| 2 | 397 |
9.2%
|
|
| 3 | 433 |
10.1%
|
|
| 4 | 239 |
5.6%
|
|
| 5 | 167 |
3.9%
|
|
| 6 | 56 |
1.3%
|
|
| 7 | 259 |
6%
|
|
| Missing value | 2638 |
61.4%
|