| Value | Category | Cases | |
|---|---|---|---|
| 1 | BLANK WATER SAMPLE AVAILABLE | 481 |
7.3%
|
| 2 | BLANK WATER SAMPLE NOT AVAILABLE | 1 |
0%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 6072 |
92.6%
|