| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 66.22 | +21.8% |
| 2023/12 | 54.38 | +16.3% |
| 2022/12 | 46.77 | +35.7% |
| 2021/12 | 34.47 | -33.1% |
| 2020/12 | 51.55 | -4.8% |
| 2019/12 | 54.17 | +18.1% |
| 2018/12 | 45.88 | +5.7% |
| 2017/12 | 43.42 | +31.7% |
| 2016/12 | 32.97 | -65.8% |
| 2015/12 | 96.53 | -9.0% |
| 2014/12 | 106.13 | +3.0% |
| 2013/12 | 103.03 | -24.0% |
| 2012/12 | 135.54 | +44.9% |
| 2011/12 | 93.52 | +13.1% |
| 2010/12 | 82.71 | - |