| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 102.4 | -9.9% |
| 2023/12 | 113.6 | +13.7% |
| 2022/12 | 99.9 | -22.1% |
| 2021/12 | 128.3 | -25.7% |
| 2020/12 | 172.6 | -34.3% |
| 2019/12 | 262.8 | +19.7% |
| 2018/12 | 219.6 | -27.4% |
| 2017/12 | 302.3 | +90.9% |
| 2016/12 | 158.4 | -6.7% |
| 2015/12 | 169.7 | +31.7% |
| 2014/12 | 128.8 | +0.5% |
| 2013/12 | 128.3 | +127.5% |
| 2012/12 | 56.4 | -19.5% |
| 2011/12 | 70.1 | -30.5% |
| 2010/12 | 100.8 | - |