| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
0.3%
|
|
| 1 | 74 |
2.7%
|
|
| 2 | 443 |
16%
|
|
| 3 | 1587 |
57.2%
|
|
| 4 | 203 |
7.3%
|
|
| 5 | 317 |
11.4%
|
|
| 6 | 142 |
5.1%
|
|
| Sysmiss | 2001 |