| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 7 |
0.1%
|
|
| 1 | YES, MEASUREMENTS TAKEN | 9090 |
98.2%
|
| 2 | YES, SOME MEASUREMENTS DONE | 68 |
0.7%
|
| 3 | NO, SICK OR DISABLED | 89 |
1%
|
| Sysmiss | 49248 |