| Value | Category | Cases | |
|---|---|---|---|
| 0 | 183 |
3.6%
|
|
| 1 | 294 |
5.9%
|
|
| 2 | 310 |
6.2%
|
|
| 3 | 87 |
1.7%
|
|
| 4 | 61 |
1.2%
|
|
| 5 | 29 |
0.6%
|
|
| 6 | 22 |
0.4%
|
|
| 7 | 5 |
0.1%
|
|
| 8 | 9 |
0.2%
|
|
| 9 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 18 | 1 |
0%
|
|
| Missing value | 4015 |
80%
|