area | 2020 | 2021 | 2022 |
Hunan | 14317 | 17315 | 16125 |
Fujian | 4834 | 6454 | 5461 |
Jiangxi | 4925 | 6370 | 6844 |
Sichuan | 4473 | 5466 | 6748 |
Jiangsu | 3081 | 4252 | 3570 |
Shandong | 3502 | 4074 | 4710 |
Zhejiang | 2075 | 2625 | 3194 |
Guangdong | 1657 | 1851 | 1666 |
Henan | 928 | 1270 | 1388 |
Hebei | 902 | 981 | 446 |
Guangxi | 150 | 175 | 192 |
Anhui | 65 | 92 | 116 |
Heilongjiang | 78 | 66 | 41 |
Hubei | 13 | 8 | 0 |
other | 0 | 0 | 0 |
total output(tons) | 41000 | 51000 | 50500 |