| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1803 |
77.3%
|
|
| 1 | 226 |
9.7%
|
|
| 2 | 174 |
7.5%
|
|
| 3 | 76 |
3.3%
|
|
| 4 | 16 |
0.7%
|
|
| 5 | 21 |
0.9%
|
|
| 6 | 12 |
0.5%
|
|
| 13 | 4 |
0.2%
|
|
| Sysmiss | 2890 |