| Value | Category | Cases | |
|---|---|---|---|
| 1 | JANUARY | 1 |
0.1%
|
| 2 | FEBRUARY | 2 |
0.2%
|
| 3 | MARCH | 2 |
0.2%
|
| 7 | JULY | 1 |
0.1%
|
| 10 | OCTOBER | 1 |
0.1%
|
| 97 | INCONSISTENT | 3 |
0.3%
|
| 99 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 1085 |
99%
|