| Value | Category | Cases | |
|---|---|---|---|
| 1 | CLASS/FROM/YEAR 1 | 72 |
5.2%
|
| 2 | CLASS/FROM/YEAR 2 | 184 |
13.4%
|
| 3 | CLASS/FROM/YEAR 3 | 184 |
13.4%
|
| 4 | CLASS/FROM/YEAR 4 | 166 |
12%
|
| 5 | CLASS/FROM/YEAR 5 | 419 |
30.4%
|
| 6 | CLASS/FROM/YEAR 6 | 272 |
19.7%
|
| 7 | CLASS/FROM/YEAR 7 | 73 |
5.3%
|
| 98 | DK | 3 |
0.2%
|
| Sysmiss | 5 |
0.4%
|