| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 173.69 | -2.7% |
| 2023/12 | 178.56 | +3.4% |
| 2022/12 | 172.77 | +3.1% |
| 2021/12 | 167.58 | -13.3% |
| 2020/12 | 193.25 | -18.3% |
| 2019/12 | 236.42 | -2.5% |
| 2018/12 | 242.38 | +19.0% |
| 2017/12 | 203.73 | +1.2% |
| 2016/12 | 201.4 | -4.7% |
| 2015/12 | 211.32 | -2.3% |
| 2014/12 | 216.24 | +6.3% |
| 2013/12 | 203.41 | -1.8% |
| 2012/12 | 207.23 | +5.4% |
| 2011/12 | 196.61 | -13.5% |
| 2010/12 | 227.28 | - |