| Value | Category | Cases | |
|---|---|---|---|
| 0 | 550 |
15.5%
|
|
| 1 | 1392 |
39.3%
|
|
| 2 | 588 |
16.6%
|
|
| 3 | 137 |
3.9%
|
|
| 4 | 35 |
1%
|
|
| 5 | 28 |
0.8%
|
|
| 6 | 1 |
0%
|
|
| 7 | 8 |
0.2%
|
|
| Missing value | 807 |
22.8%
|