| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 223.9 | -0.3% |
| 2023/12 | 224.4 | +34.1% |
| 2022/12 | 167.4 | -29.6% |
| 2021/12 | 237.9 | -13.0% |
| 2020/12 | 273.5 | +206.6% |
| 2019/12 | 89.2 | +35.6% |
| 2018/12 | 65.8 | -5.1% |
| 2017/12 | 69.3 | +24.9% |
| 2016/12 | 55.5 | -14.1% |
| 2015/12 | 64.6 | -30.0% |
| 2014/12 | 92.2 | +66.8% |
| 2013/12 | 55.3 | +5.8% |
| 2012/12 | 52.3 | -3.5% |
| 2011/12 | 54.2 | +18.7% |
| 2010/12 | 45.6 | - |