| Value | Category | Cases | |
|---|---|---|---|
| 0 | 52 |
4%
|
|
| 1 | 901 |
70.1%
|
|
| 2 | 310 |
24.1%
|
|
| 3 | 18 |
1.4%
|
|
| 4 | 3 |
0.2%
|
|
| 6 | 2 |
0.2%
|
|
| Missing value | 41 |