| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 70.6 | -33.4% |
| 2023/12 | 106.0 | -27.1% |
| 2022/12 | 145.4 | -4.6% |
| 2021/12 | 152.4 | -45.8% |
| 2020/12 | 281.3 | +123.8% |
| 2019/12 | 125.7 | -51.8% |
| 2018/12 | 260.8 | +46.0% |
| 2018/3 | 253.0 | +41.6% |
| 2017/12 | 178.7 | +14.7% |
| 2016/12 | 155.8 | +28.4% |
| 2015/12 | 121.3 | -0.7% |
| 2014/12 | 122.1 | +88.2% |
| 2013/12 | 64.9 | - |
| 2011/12 | 53.6 | -9.3% |
| 2010/12 | 59.1 | - |