| Value | Category | Cases | |
|---|---|---|---|
| 0 | 731 |
98.5%
|
|
| 2 | 1 |
0.1%
|
|
| 5 | 4 |
0.5%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 2 |
0.3%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| Sysmiss | 2001 |