| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 95.59 | -13.7% |
| 2023/12 | 110.75 | +15.2% |
| 2022/12 | 96.15 | +13.8% |
| 2021/12 | 84.52 | -26.2% |
| 2020/12 | 114.54 | -5.6% |
| 2019/12 | 121.39 | +4.4% |
| 2018/12 | 116.23 | +7.5% |
| 2017/12 | 108.14 | -15.0% |
| 2016/12 | 127.22 | +23.6% |
| 2015/12 | 102.91 | +3.6% |
| 2014/12 | 99.29 | +11.0% |
| 2013/12 | 89.47 | +11.6% |
| 2012/12 | 80.16 | -9.4% |
| 2011/12 | 88.47 | -27.9% |
| 2010/12 | 122.75 | - |