| Value | Category | Cases | |
|---|---|---|---|
| -1 | True missing | 13 |
0.2%
|
| 0 | 0 | 1516 |
27.7%
|
| 1 | 1 | 593 |
10.8%
|
| 2 | 2 | 1010 |
18.4%
|
| 3 | 3 | 873 |
15.9%
|
| 4 | 4 | 531 |
9.7%
|
| 5 | 5 | 943 |
17.2%
|