| 年度 | 国有林面積(ha) | 市有林面積(ha) | 私有林面積(ha) | |||
| 2013 | 17993 | 4944 | 7075 | |||
| 2014 | 17993 | 4956 | 7063 | |||
| 2015 | 17992 | 4969 | 7062 | |||
| 2016 | 17992 | 4968 | 7072 | |||
| 2017 | 17992 | 4972 | 7064 | |||
| 2018 | 17992 | 4972 | 7064 | |||
| 2019 | 17992 | 4979 | 7061 | |||
| 2020 | 18022 | 4980 | 7050 | |||
| 2021 | 18022 | 4984 | 7028 | |||
| 2022 | 18022 | 4984 | 7026 | |||
| 2023 | 18022 | 4983 | 7022 |