| Value | Category | Cases | |
|---|---|---|---|
| 0 | 353 |
86.5%
|
|
| 1 | 17 |
4.2%
|
|
| 2 | 16 |
3.9%
|
|
| 3 | 10 |
2.5%
|
|
| 4 | 4 |
1%
|
|
| 5 | 2 |
0.5%
|
|
| 6 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 2 |
0.5%
|
|
| 150 | 1 |
0.2%
|
|
| Sysmiss | 1992 |