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| 耕地 | 林地 | 草地 | 水域 | 建设 | 未利用 |
| 1973 | 面积 | 7531.46 | 692.37 | 987.50 | 440.81 | 1406.18 | 48.40 |
| Ua | 67.81% | 6.23% | 8.89% | 3.97% | 12.66% | 0.44% | |
| 1980 | 面积 | 7538.41 | 691.96 | 984.48 | 441.04 | 1417.82 | 48.69 |
| Ua | 67.78% | 6.22% | 8.85% | 3.97% | 12.75% | 0.44% | |
| 1990 | 面积 | 7529.30 | 690.18 | 976.04 | 409.22 | 1474.07 | 43.61 |
| Ua | 67.69% | 6.21% | 8.78% | 3.68% | 13.25% | 0.39% | |
| 2000 | 面积 | 7425.18 | 690.18 | 974.12 | 398.91 | 1591.02 | 43.61 |
| Ua | 66.76% | 6.20% | 8.76% | 3.59% | 14.30% | 0.39% | |
| 2010 | 面积 | 7540.31 | 567.36 | 330.89 | 592.08 | 2076.01 | 24.80 |
| Ua | 67.74% | 5.10% | 2.97% | 5.32% | 18.65% | 0.22% | |
| 2018 | 面积 | 7340.86 | 570.91 | 326.17 | 515.63 | 2397.05 | 23.90 |
| Ua | 65.69% | 5.11% | 2.92% | 4.61% | 21.45% | 0.21% | |
| 1973和1980相比 | Ud | 0.06% | 0.00% | −0.03% | 0.00% | 0.10% | 0.00% |
| 1980和1990相比 | Ud | −0.08% | −0.02% | −0.08% | −0.29% | 0.51% | −0.05% |
| 1990和2000相比 | Ud | −0.94% | 0.00% | −0.02% | −0.09% | 1.05% | 0.00% |
| 2000和2010相比 | Ud | 1.04% | −1.10% | −5.78% | 1.74% | 4.36% | −0.17% |
| 2010和2018相比 | Ud | −1.79% | 0.03% | −0.04% | −0.69% | 2.88% | −0.01% |
| 1973和2018相比 | Ud | −1.72% | −1.09% | −5.95% | 0.67% | 8.92% | −0.22% |