| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 41.91 | -10.7% |
| 2023/12 | 46.91 | -28.1% |
| 2022/12 | 65.2 | +24.3% |
| 2021/12 | 52.47 | +25.1% |
| 2020/12 | 41.93 | +82.4% |
| 2019/12 | 22.99 | -24.3% |
| 2018/12 | 30.35 | -9.4% |
| 2017/12 | 33.48 | -26.9% |
| 2016/12 | 45.83 | -23.0% |
| 2015/12 | 59.53 | -14.8% |
| 2014/12 | 69.91 | +728.6% |
| 2013/12 | 8.44 | -65.5% |
| 2012/12 | 24.49 | -33.6% |
| 2011/12 | 36.89 | - |