| Value | Category | Cases | |
|---|---|---|---|
| 0 | 767 |
55.5%
|
|
| 1 | 560 |
40.5%
|
|
| 2 | 44 |
3.2%
|
|
| 3 | 10 |
0.7%
|
|
| 4 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| Missing value | 343 |