| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 83.4 | +10.6% |
| 2023/12 | 75.4 | -25.7% |
| 2022/12 | 101.4 | -1.1% |
| 2021/12 | 102.6 | +11.6% |
| 2020/12 | 91.9 | -1.5% |
| 2019/12 | 93.3 | -11.9% |
| 2018/12 | 105.9 | +45.3% |
| 2017/12 | 72.9 | -5.5% |
| 2016/12 | 77.1 | -2.9% |
| 2015/12 | 79.4 | +18.4% |
| 2014/12 | 67.1 | +3.4% |
| 2013/12 | 64.9 | -16.8% |
| 2012/12 | 77.9 | -24.9% |
| 2011/12 | 103.7 | -1.7% |
| 2010/12 | 105.5 | - |