| Value | Category | Cases | |
|---|---|---|---|
| -999 | ##N/A## | 0 |
0%
|
| 1 | NO ADDITION | 3317 |
98.1%
|
| 2 | WATER | 42 |
1.2%
|
| 3 | UREA | 21 |
0.6%
|
| 4 | OTHER (SPECIFY) | 0 |
0%
|
| Sysmiss | 1204 |