| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 123.1 | +7.3% |
| 2023/12 | 114.7 | +3.5% |
| 2022/12 | 110.8 | +3.5% |
| 2021/12 | 107.1 | -23.7% |
| 2020/12 | 140.4 | +36.1% |
| 2019/12 | 103.2 | -1.0% |
| 2018/12 | 104.2 | +0.7% |
| 2017/12 | 103.5 | -9.0% |
| 2016/12 | 113.7 | +19.0% |
| 2015/12 | 95.6 | +11.9% |
| 2014/12 | 85.4 | -2.3% |
| 2013/12 | 87.4 | -6.8% |
| 2012/12 | 93.8 | +21.7% |
| 2011/12 | 77.1 | +5.5% |
| 2010/12 | 73.0 | - |