| Value | Category | Cases | |
|---|---|---|---|
| 0 | Seed was not available in 2002 | 2 |
2.2%
|
| 1 | Seed is more expensive today | 69 |
75%
|
| 2 | No change in price | 12 |
13%
|
| 3 | Seed is cheaper today | 9 |
9.8%
|
| -9 | 9 | ||
| -7 | 32 |