| Value | Category | Cases | |
|---|---|---|---|
| 0 | 574 |
13.7%
|
|
| 1 | 1156 |
27.5%
|
|
| 2 | 1073 |
25.5%
|
|
| 3 | 756 |
18%
|
|
| 4 | 385 |
9.2%
|
|
| 5 | 178 |
4.2%
|
|
| 6 | 61 |
1.5%
|
|
| 7 | 14 |
0.3%
|
|
| 8 | 7 |
0.2%
|
|
| 10 | 1 |
0%
|
|
| Sysmiss | 2006 |