| Value | Category | Cases | |
|---|---|---|---|
| 0 | 840 |
20.4%
|
|
| 1 | 1049 |
25.5%
|
|
| 2 | 1147 |
27.9%
|
|
| 3 | 679 |
16.5%
|
|
| 4 | 248 |
6%
|
|
| 5 | 99 |
2.4%
|
|
| 6 | 29 |
0.7%
|
|
| 7 | 10 |
0.2%
|
|
| 8 | 5 |
0.1%
|
|
| 9 | 1 |
0%
|
|
| 16 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| Missing value | 100 |