| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | 3990 |
95.5%
|
|
| 2 | 172 |
4.1%
|
|
| 3 | 12 |
0.3%
|
|
| 4 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 252 |