| Value | Category | Cases | |
|---|---|---|---|
| 1 | 66 |
10.6%
|
|
| 2 | 60 |
9.6%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 45 |
7.2%
|
|
| 5 | 403 |
64.5%
|
|
| 6 | 50 |
8%
|
|
| Missing value | 1970 |