| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -147.1 | -14.7% |
| 2023/12 | -172.4 | -16.5% |
| 2022/12 | -206.5 | -41.6% |
| 2021/12 | -353.8 | +20.4% |
| 2020/12 | -293.9 | -78.2% |
| 2019/12 | -1348.0 | -1306.4% |
| 2018/12 | 111.7 | -7.2% |
| 2017/12 | 120.4 | -84.2% |
| 2016/12 | 761.4 | -24.6% |
| 2015/12 | 1010.5 | -28.9% |
| 2014/12 | 1420.3 | +466.8% |
| 2013/12 | 250.6 | +102.2% |
| 2012/12 | 123.9 | - |