| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1908 |
95.4%
|
|
| 1 | 21 |
1.1%
|
|
| 2 | 19 |
1%
|
|
| 3 | 13 |
0.7%
|
|
| 4 | 7 |
0.4%
|
|
| 5 | 4 |
0.2%
|
|
| 7 | 27 |
1.4%
|
|
| Sysmiss | 1 |