| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2548 |
56.8%
|
|
| 2 | 1314 |
29.3%
|
|
| 3 | 416 |
9.3%
|
|
| 4 | 146 |
3.3%
|
|
| 5 | 24 |
0.5%
|
|
| 6 | 15 |
0.3%
|
|
| 999 | 26 |
0.6%
|
|
| Sysmiss | 92 |