| Value | Category | Cases | |
|---|---|---|---|
| 1 | 144 |
6.5%
|
|
| 2 | 38 |
1.7%
|
|
| 3 | 41 |
1.9%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 3 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| 7 | 2 |
0.1%
|
|
| 8 | 4 |
0.2%
|
|
| 10 | 1 |
0%
|
|
| 14 | 1 |
0%
|
|
| 30 | 1 |
0%
|
|
| Missing value | 1968 |
89.2%
|