| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2023/12 | 311.8 | -31.1% |
| 2022/12 | 452.3 | -31.8% |
| 2021/12 | 663.4 | +47.8% |
| 2020/12 | 448.8 | +255.6% |
| 2019/12 | 126.2 | -6.2% |
| 2018/12 | 134.5 | -10.7% |
| 2017/12 | 150.7 | +21.2% |
| 2016/12 | 124.3 | +2.3% |
| 2015/12 | 121.5 | -74.2% |
| 2014/12 | 470.2 | +21.6% |
| 2013/12 | 386.7 | -84.8% |
| 2012/12 | 2547.2 | +293.8% |
| 2011/12 | 646.8 | -19.3% |
| 2010/12 | 801.7 | - |