| Value | Category | Cases | |
|---|---|---|---|
| 1 | 212 |
15.7%
|
|
| 2 | 78 |
5.8%
|
|
| 3 | 35 |
2.6%
|
|
| 4 | 8 |
0.6%
|
|
| 5 | 7 |
0.5%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 5 |
0.4%
|
|
| 12 | 1 |
0.1%
|
|
| 14 | 2 |
0.1%
|
|
| Missing value | 999 |
74.1%
|