| Value | Category | Cases | |
|---|---|---|---|
| 0 | 397 |
13%
|
|
| 1 | 202 |
6.6%
|
|
| 2 | 343 |
11.2%
|
|
| 3 | 224 |
7.3%
|
|
| 4 | 73 |
2.4%
|
|
| 5 | 53 |
1.7%
|
|
| 6 | 20 |
0.7%
|
|
| 7 | 58 |
1.9%
|
|
| Missing value | 1688 |
55.2%
|