| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 34 |
8.4%
|
|
| 2 | 93 |
22.9%
|
|
| 3 | 15 |
3.7%
|
|
| 96 | 3 |
0.7%
|
|
| 98 | 2 |
0.5%
|
|
| Missing value | 257 |
63.3%
|