| 水位(m)面积(m2) | 1963S | 1968S | 1970S | 1972S | 1974S | 1977S | 1980S | 1985S |
| 2-3 | 774 | 766 | 915 | 872 |
|
| 747 |
|
| 3-4 |
| 979 | 1049 | 1045.5 | 1056.6 | 1130 | 1054.8 | 971.3 |
| 4-5 | 1326.3 | 1378.8 | 1317.1 | 1340.8 | 1301.3 | 1327.2 | 1364.2 | 1250 |
| 5-6 | 1585.5 | 1604.2 | 1680 | 1575 | 1492.5 | 1574.6 | 1601.4 | 1514.5 |
| 6-7 | 1865.5 | 1885.7 | 1882 | 1803.3 | 1747.3 | 1895.7 | 1843.8 | 1817.5 |
| 7-8 | 2107.9 | 2091.6 | 2200 | 1870 | 2038.6 | 2015 | 2025 | 2060.9 |
| 8-9 | 2418.3 | 2480 | 2354 | 2280 | 2280 | 2295 | 2290 | 2343.9 |
| 9-10 | 2646.7 |
| 2640 | 2475 | 2574.3 |
| 2622.7 | 2597.7 |
| 10-11 |
|
| 2981.8 |
| 2800 |
| 2790 | 2620 |
| 11-12 |
|
| 3196 |
| 2983.3 |
|
| 3175 |
| 12-13 |
|
| 3496.6 |
| 3322.5 |
|
| 3340 |
| 13-14 |
|
|
|
| 3671.7 |
|
| 3740 |