| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 95.8 | -7.5% |
| 2023/12 | 103.6 | +2.6% |
| 2022/12 | 101.0 | -2.6% |
| 2021/12 | 103.7 | +7.7% |
| 2020/12 | 96.3 | +5.9% |
| 2019/12 | 91.0 | +5.2% |
| 2018/12 | 86.4 | +1.5% |
| 2017/12 | 85.1 | +4.8% |
| 2016/12 | 81.3 | -12.1% |
| 2015/12 | 92.4 | -7.5% |
| 2014/12 | 99.9 | -6.9% |
| 2013/12 | 107.3 | -7.7% |
| 2012/12 | 116.3 | -28.1% |
| 2011/12 | 161.8 | -17.7% |
| 2010/12 | 196.5 | - |