| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 95.6 | -13.7% |
| 2023/12 | 110.7 | +15.2% |
| 2022/12 | 96.1 | +13.8% |
| 2021/12 | 84.5 | -26.2% |
| 2020/12 | 114.5 | -5.6% |
| 2019/12 | 121.4 | +4.4% |
| 2018/12 | 116.2 | +7.5% |
| 2017/12 | 108.1 | -15.0% |
| 2016/12 | 127.2 | +23.6% |
| 2015/12 | 102.9 | +3.6% |
| 2014/12 | 99.3 | +11.0% |
| 2013/12 | 89.5 | +11.6% |
| 2012/12 | 80.2 | -9.4% |
| 2011/12 | 88.5 | -27.9% |
| 2010/12 | 122.7 | - |