| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 92.3 | -32.8% |
| 2023/12 | 137.2 | +6.2% |
| 2022/12 | 129.3 | +14.2% |
| 2021/12 | 113.2 | +13.8% |
| 2020/12 | 99.5 | +43.2% |
| 2019/12 | 69.5 | +36.4% |
| 2018/12 | 50.9 | +37.2% |
| 2017/12 | 37.1 | -43.7% |
| 2016/12 | 65.9 | +30.4% |
| 2015/12 | 50.6 | -6.7% |
| 2014/12 | 54.2 | +83.6% |
| 2013/12 | 29.5 | -45.8% |
| 2012/12 | 54.5 | -13.7% |
| 2011/12 | 63.1 | +13.4% |
| 2010/12 | 55.6 | - |