| Value | Category | Cases | |
|---|---|---|---|
| 0 | 731 |
23.9%
|
|
| 1 | 62 |
2%
|
|
| 2 | 41 |
1.3%
|
|
| 3 | 16 |
0.5%
|
|
| 4 | 8 |
0.3%
|
|
| 5 | 5 |
0.2%
|
|
| 6 | 1 |
0%
|
|
| 7 | 2 |
0.1%
|
|
| Missing value | 2192 |
71.7%
|