| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 13.23 | -18.4% |
| 2023/12 | 16.22 | -12.9% |
| 2022/12 | 18.62 | -43.5% |
| 2021/12 | 32.97 | -53.8% |
| 2020/12 | 71.33 | -36.8% |
| 2019/12 | 112.95 | -0.4% |
| 2018/12 | 113.39 | -6.9% |
| 2017/12 | 121.84 | -18.8% |
| 2016/12 | 149.97 | +65.7% |
| 2015/12 | 90.52 | -6.4% |
| 2014/12 | 96.76 | +19.6% |
| 2013/12 | 80.9 | -25.2% |
| 2012/12 | 108.15 | +574.3% |
| 2011/12 | 16.04 | -52.8% |
| 2010/12 | 33.98 | - |