| Value | Category | Cases | |
|---|---|---|---|
| 0 | 700 |
16.3%
|
|
| 1 | 301 |
7%
|
|
| 2 | 239 |
5.6%
|
|
| 3 | 190 |
4.4%
|
|
| 4 | 91 |
2.1%
|
|
| 5 | 76 |
1.8%
|
|
| 6 | 27 |
0.6%
|
|
| 7 | 80 |
1.9%
|
|
| Missing value | 2595 |
60.4%
|