| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2806 |
66.4%
|
|
| 1 | 619 |
14.6%
|
|
| 2 | 197 |
4.7%
|
|
| 3 | 60 |
1.4%
|
|
| 4 | 13 |
0.3%
|
|
| 5 | 12 |
0.3%
|
|
| 6 | 5 |
0.1%
|
|
| 7 | 3 |
0.1%
|
|
| 8 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 12 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| 30 | 2 |
0%
|
|
| Missing value | 505 |
11.9%
|