| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 66.2 | +21.8% |
| 2023/12 | 54.4 | +16.3% |
| 2022/12 | 46.8 | +35.7% |
| 2021/12 | 34.5 | -33.1% |
| 2020/12 | 51.5 | -4.8% |
| 2019/12 | 54.2 | +18.1% |
| 2018/12 | 45.9 | +5.7% |
| 2017/12 | 43.4 | +31.7% |
| 2016/12 | 33.0 | -65.8% |
| 2015/12 | 96.5 | -9.0% |
| 2014/12 | 106.1 | +3.0% |
| 2013/12 | 103.0 | -24.0% |
| 2012/12 | 135.5 | +44.9% |
| 2011/12 | 93.5 | +13.1% |
| 2010/12 | 82.7 | - |