| Value | Category | Cases | |
|---|---|---|---|
| 0 | 478 |
10.8%
|
|
| 2 | 77 |
1.7%
|
|
| 3 | 160 |
3.6%
|
|
| 4 | 128 |
2.9%
|
|
| 5 | 56 |
1.3%
|
|
| 6 | 32 |
0.7%
|
|
| 7 | 17 |
0.4%
|
|
| 8 | 8 |
0.2%
|
|
| 9 | 9 |
0.2%
|
|
| 10 | 7 |
0.2%
|
|
| 11 | 3 |
0.1%
|
|
| 12 | 3 |
0.1%
|
|
| 14 | 2 |
0%
|
|
| 15 | 5 |
0.1%
|
|
| Missing value | 3455 |
77.8%
|