| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 755.7 | +75.6% |
| 2023/12 | 430.3 | +31.0% |
| 2022/12 | 328.4 | -43.9% |
| 2021/12 | 585.2 | -46.3% |
| 2020/12 | 1088.9 | +142.2% |
| 2019/12 | 449.7 | +123.6% |
| 2018/12 | 201.1 | +11.1% |
| 2017/12 | 181.0 | -27.7% |
| 2016/12 | 250.2 | -20.5% |
| 2015/12 | 314.8 | +160.7% |
| 2014/12 | 120.8 | +11.7% |
| 2013/12 | 108.1 | +0.8% |
| 2012/12 | 107.2 | -1.9% |
| 2011/12 | 109.3 | - |