| Value | Category | Cases | |
|---|---|---|---|
| 0 | 500 |
88.7%
|
|
| 1 | 42 |
7.4%
|
|
| 2 | 12 |
2.1%
|
|
| 3 | 5 |
0.9%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| Sysmiss | 2470 |