| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 172.6 | +18.0% |
| 2023/12 | 146.4 | -12.5% |
| 2022/12 | 167.4 | +43.8% |
| 2021/12 | 116.3 | +5.1% |
| 2020/12 | 110.7 | +25.5% |
| 2019/12 | 88.2 | -39.0% |
| 2018/12 | 144.5 | +30.4% |
| 2017/12 | 110.8 | -14.9% |
| 2016/12 | 130.3 | -20.3% |
| 2015/12 | 163.5 | -11.2% |
| 2014/12 | 184.2 | +7.9% |
| 2013/12 | 170.7 | +2.0% |
| 2012/12 | 167.4 | +22.8% |
| 2011/12 | 136.3 | -66.1% |
| 2010/12 | 401.8 | - |