| Value | Category | Cases | |
|---|---|---|---|
| 1 | 14 |
2.6%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 4 |
0.7%
|
|
| 13 | 3 |
0.6%
|
|
| 15 | 13 |
2.4%
|
|
| 16 | 3 |
0.6%
|
|
| 17 | 5 |
0.9%
|
|
| 18 | 2 |
0.4%
|
|
| 19 | 3 |
0.6%
|
|
| 20 | 1 |
0.2%
|
|
| 21 | 1 |
0.2%
|
|
| Missing value | 484 |
90.3%
|