| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | 9033 |
65%
|
|
| 2 | 4602 |
33.1%
|
|
| 3 | 77 |
0.6%
|
|
| 9 | 183 |
1.3%
|
|
| Sysmiss | 20384 |