| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 1258 |
70.1%
|
| 2 | 2 | 390 |
21.7%
|
| 3 | 3 | 5 |
0.3%
|
| 4 | 4 | 9 |
0.5%
|
| 5 | 10 | 3 |
0.2%
|
| 6 | 16 | 1 |
0.1%
|
| Missing value | 129 |
7.2%
|