| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 109.9 | -2.4% |
| 2023/12 | 112.6 | -11.5% |
| 2022/12 | 127.3 | -6.6% |
| 2021/12 | 136.2 | -7.1% |
| 2020/12 | 146.7 | +17.2% |
| 2019/12 | 125.1 | +1.4% |
| 2018/12 | 123.4 | -10.2% |
| 2017/12 | 137.5 | -17.2% |
| 2016/12 | 166.1 | -15.1% |
| 2015/12 | 195.6 | -3.8% |
| 2014/12 | 203.5 | +39.3% |
| 2013/12 | 146.0 | +0.9% |
| 2012/12 | 144.7 | -15.0% |
| 2011/12 | 170.2 | - |