| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 268.3 | +0.1% |
| 2023/12 | 267.9 | -4.5% |
| 2022/12 | 280.5 | +15.5% |
| 2021/12 | 242.9 | -10.7% |
| 2020/12 | 272.0 | +12.7% |
| 2019/12 | 241.5 | +0.6% |
| 2018/12 | 240.0 | +2.2% |
| 2017/12 | 235.0 | -8.8% |
| 2016/12 | 257.6 | +0.9% |
| 2015/12 | 255.4 | +5.4% |
| 2014/12 | 242.2 | +4.4% |
| 2013/12 | 232.0 | +23.4% |
| 2012/12 | 188.0 | +57.2% |
| 2011/12 | 119.6 | - |