| Value | Category | Cases | |
|---|---|---|---|
| -1 | Not Applicable | 1917 |
87.2%
|
| 0 | 15 |
0.7%
|
|
| 2 | 9 |
0.4%
|
|
| 3 | 169 |
7.7%
|
|
| 4 | 68 |
3.1%
|
|
| 5 | 19 |
0.9%
|
|
| 6 | 2 |
0.1%
|
|
| Sysmiss | 1 |