| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1989 |
77.7%
|
|
| 2 | 449 |
17.5%
|
|
| 3 | 99 |
3.9%
|
|
| 4 | 22 |
0.9%
|
|
| 5 | 2 |
0.1%
|
|
| Sysmiss | 3 |