| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 190.6 | +15.6% |
| 2023/12 | 164.9 | +40.6% |
| 2022/12 | 117.3 | -27.4% |
| 2021/12 | 161.5 | +10.4% |
| 2020/12 | 146.3 | +0.7% |
| 2019/12 | 145.3 | +19.4% |
| 2018/12 | 121.8 | +22.3% |
| 2017/12 | 99.6 | -18.0% |
| 2016/12 | 121.5 | +5.8% |
| 2015/12 | 114.8 | -14.5% |
| 2014/12 | 134.4 | +18.9% |
| 2013/12 | 113.0 | -32.8% |
| 2012/12 | 168.2 | -18.1% |
| 2011/12 | 205.4 | -3.3% |
| 2010/12 | 212.3 | - |