| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 450 |
25.3%
|
| 2 | 2 | 115 |
6.5%
|
| 3 | 3 | 30 |
1.7%
|
| 4 | More than 3 | 15 |
0.8%
|
| Missing value | 1168 |
65.7%
|