| Value | Category | Cases | |
|---|---|---|---|
| 0 | Did not grow barley at that time | 131 |
15.3%
|
| 1 | No difference | 99 |
11.6%
|
| 2 | More then | 388 |
45.4%
|
| 3 | More now | 236 |
27.6%
|
| Sysmiss | 4139 |