| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1997 |
69.7%
|
|
| 1 | 821 |
28.7%
|
|
| 2 | 40 |
1.4%
|
|
| 3 | 5 |
0.2%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 9658 |