| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 207.9 | +14.6% |
| 2023/12 | 181.4 | -9.0% |
| 2022/12 | 199.4 | -17.9% |
| 2021/12 | 242.7 | -6.5% |
| 2020/12 | 259.5 | +18.3% |
| 2019/12 | 219.3 | -16.1% |
| 2018/12 | 261.5 | -21.4% |
| 2017/12 | 332.5 | -0.0% |
| 2016/12 | 332.7 | +40.5% |
| 2015/12 | 236.8 | +6.1% |
| 2014/12 | 223.1 | -6.5% |
| 2013/12 | 238.7 | +7.6% |
| 2012/12 | 221.8 | +6.0% |
| 2011/12 | 209.2 | +28.0% |
| 2010/12 | 163.4 | - |