| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2541 |
21.9%
|
|
| 1 | 4229 |
36.4%
|
|
| 2 | 2662 |
22.9%
|
|
| 3 | 1323 |
11.4%
|
|
| 4 | 569 |
4.9%
|
|
| 5 | 210 |
1.8%
|
|
| 6 | 72 |
0.6%
|
|
| 7 | 15 |
0.1%
|
|
| 8 | 6 |
0.1%
|
|
| Sysmiss | 4543 |