| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1978 |
89.9%
|
|
| 1 | 36 |
1.6%
|
|
| 2 | 67 |
3%
|
|
| 3 | 42 |
1.9%
|
|
| 4 | 28 |
1.3%
|
|
| 5 | 19 |
0.9%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 27 |
1.2%
|
|
| Sysmiss | 1 |