| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 143.6 | +3.2% |
| 2023/12 | 139.1 | +5.5% |
| 2022/12 | 131.9 | -0.8% |
| 2021/12 | 132.9 | +8.9% |
| 2020/12 | 122.1 | +7.0% |
| 2019/12 | 114.1 | +5.1% |
| 2018/12 | 108.6 | +0.2% |
| 2017/12 | 108.3 | +7.9% |
| 2016/12 | 100.4 | -2.2% |
| 2015/12 | 102.6 | +13.4% |
| 2014/12 | 90.5 | +0.2% |
| 2013/12 | 90.3 | -0.7% |
| 2012/12 | 91.0 | +7.1% |
| 2011/12 | 85.0 | -4.4% |
| 2010/12 | 88.9 | - |