| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
1.5%
|
|
| 1 | 708 |
50.4%
|
|
| 2 | 463 |
33%
|
|
| 3 | 139 |
9.9%
|
|
| 4 | 50 |
3.6%
|
|
| 5 | 13 |
0.9%
|
|
| 6 | 3 |
0.2%
|
|
| 7 | 2 |
0.1%
|
|
| 8 | 3 |
0.2%
|
|
| 10 | 1 |
0.1%
|
|
| 13 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| Missing value | 957 |