| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 190.1 | -27.0% |
| 2023/12 | 260.4 | -13.7% |
| 2022/12 | 301.7 | +13.6% |
| 2021/12 | 265.5 | -14.5% |
| 2020/12 | 310.7 | -17.5% |
| 2019/12 | 376.7 | -43.5% |
| 2018/12 | 666.7 | +16.5% |
| 2017/12 | 572.2 | -21.6% |
| 2016/12 | 730.2 | -41.9% |
| 2015/12 | 1256.1 | -5.0% |
| 2014/12 | 1322.7 | +7.3% |
| 2013/12 | 1232.9 | -55.5% |
| 2012/12 | 2767.5 | -294.3% |
| 2011/12 | -1424.3 | -216.2% |
| 2010/12 | 1225.8 | - |