| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 66.0 | -11.0% |
| 2023/12 | 74.1 | -15.1% |
| 2022/12 | 87.3 | -21.6% |
| 2021/12 | 111.3 | -12.0% |
| 2020/12 | 126.4 | -11.2% |
| 2019/12 | 142.3 | +11.8% |
| 2018/12 | 127.3 | +27.7% |
| 2017/12 | 99.7 | +0.6% |
| 2016/12 | 99.1 | -0.2% |
| 2015/12 | 99.3 | +23.5% |
| 2014/12 | 80.4 | +0.2% |
| 2013/12 | 80.2 | +9.8% |
| 2012/12 | 73.1 | -17.4% |
| 2011/12 | 88.4 | +12.5% |
| 2010/12 | 78.6 | - |