| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 59.75 | -17.9% |
| 2023/12 | 72.74 | -9.7% |
| 2022/12 | 80.54 | +6.9% |
| 2021/12 | 75.34 | +3.1% |
| 2020/12 | 73.04 | +6.4% |
| 2019/12 | 68.62 | +16.7% |
| 2018/12 | 58.78 | -2.9% |
| 2017/12 | 60.57 | -14.6% |
| 2016/12 | 70.95 | +16.3% |
| 2015/12 | 60.99 | +27.8% |
| 2014/12 | 47.71 | -46.8% |
| 2013/12 | 89.69 | +1.5% |
| 2012/12 | 88.32 | +37.9% |
| 2011/12 | 64.04 | +4.3% |
| 2010/12 | 61.38 | - |