| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 52.85 | +4.1% |
| 2023/12 | 50.78 | -32.1% |
| 2022/12 | 74.76 | +24.9% |
| 2021/12 | 59.84 | +9.2% |
| 2020/12 | 54.81 | -1.3% |
| 2019/12 | 55.51 | +18.6% |
| 2018/12 | 46.8 | -16.5% |
| 2017/12 | 56.08 | -8.7% |
| 2016/12 | 61.44 | +10.3% |
| 2015/12 | 55.68 | -7.4% |
| 2014/12 | 60.12 | -3.4% |
| 2013/12 | 62.24 | -21.2% |
| 2012/12 | 79.0 | -8.6% |
| 2011/12 | 86.47 | -19.1% |
| 2010/12 | 106.88 | - |