| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/6 | 504.3 | -21.0% |
| 2023/6 | 638.4 | +88.1% |
| 2022/6 | 339.4 | -27.8% |
| 2021/6 | 470.3 | +53.6% |
| 2020/6 | 306.2 | -25.2% |
| 2019/6 | 409.1 | +30.0% |
| 2018/6 | 314.6 | -4.8% |
| 2017/6 | 330.4 | -45.1% |
| 2016/6 | 602.4 | -65.9% |
| 2015/6 | 1767.8 | +25.9% |
| 2014/6 | 1404.5 | -5.1% |
| 2013/6 | 1480.1 | -182.5% |
| 2012/6 | -1793.3 | -27.4% |
| 2011/6 | -2470.9 | -184.6% |
| 2010/6 | 2920.5 | - |