| Value | Category | Cases | |
|---|---|---|---|
| 5 | MAY | 2 |
0.2%
|
| 6 | JUNE | 2 |
0.2%
|
| 8 | AUGUST | 1 |
0.1%
|
| 9 | SEPTEMBER | 1 |
0.1%
|
| 97 | INCONSISTENT | 3 |
0.3%
|
| 99 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 1086 |
99.1%
|