| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 1120 |
84.3%
|
| 1 | ONE | 11 |
0.8%
|
| 2 | TWO | 3 |
0.2%
|
| 3 | THREE | 3 |
0.2%
|
| 4 | FOUR | 3 |
0.2%
|
| 7 | SEVEN | 1 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 187 |
14.1%
|