水位\年份 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
<147.0 m | 29 | 30 | 45 | 61 | 58 | 48 | 32 | 74 | 23 | 66 |
<146.5 m | 24 | 27 | 37 | 58 | 47 | 37 | 30 | 63 | 19 | 34 |
<146.0 m | 21 | 22 | 24 | 46 | 34 | 19 | 25 | 37 | 9 | 12 |
<145.5 m | 5 | 12 | 8 | 27 | 15 | 5 | 7 | 4 | 5 | 6 |
<145.0 m | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |