| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 12.9 | -42.6% |
| 2023/12 | 22.47 | -15.9% |
| 2022/12 | 26.72 | -14.9% |
| 2021/12 | 31.39 | -3.5% |
| 2020/12 | 32.53 | -36.7% |
| 2019/12 | 51.4 | -9.3% |
| 2018/12 | 56.65 | -1.5% |
| 2017/12 | 57.54 | -63.2% |
| 2016/12 | 156.3 | -10.7% |
| 2015/12 | 175.1 | -36.2% |
| 2014/12 | 274.36 | +28.9% |
| 2013/12 | 212.91 | +9.4% |
| 2012/12 | 194.6 | -3.7% |
| 2011/12 | 202.11 | - |