| Value | Category | Cases | |
|---|---|---|---|
| 1 | 701 |
94.1%
|
|
| 2 | 39 |
5.2%
|
|
| 3 | 3 |
0.4%
|
|
| 6 | 1 |
0.1%
|
|
| 13 | 1 |
0.1%
|
|
| Sysmiss | 1998 |