| 2009 (A) | 2018 (B) | Changes (B-A)/A | |
|---|---|---|---|
| Chestnut | 0.062 (5.179) | 0.045 (4.119) | −27.7% |
| Persimmon | 0.015 (2.088) | 0.031 (3.012) | 110.6% |
| Jujube | 0.031 (3.337) | 0.043 (3.998) | 39.6% |
| Shiitake mushroom | 0.065 (5.740) | 0.124 (9.616) | 89.2% |
| Bracken | 0.034 (4.110) | 0.136 (10.519) | 303.6% |