| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2020 |
80.6%
|
|
| 1 | 129 |
5.1%
|
|
| 2 | 174 |
6.9%
|
|
| 3 | 94 |
3.7%
|
|
| 4 | 31 |
1.2%
|
|
| 5 | 19 |
0.8%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 38 |
1.5%
|
|
| Sysmiss | 1 |