| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/5 | 757,413 | -0.8% |
| 2024/4 | 763,243 | -1.7% |
| 2023/4 | 776,143 | +7.8% |
| 2022/4 | 720,208 | +10.7% |
| 2021/5 | 650,594 | +3.2% |
| 2020/5 | 630,254 | +0.1% |
| 2019/4 | 629,755 | +7.7% |
| 2018/4 | 584,599 | +16.7% |
| 2017/4 | 500,841 | +8.1% |
| 2016/4 | 463,348 | +8.6% |
| 2015/5 | 426,685 | +0.8% |
| 2014/5 | 423,480 | -4.8% |
| 2013/4 | 444,757 | +7.0% |
| 2012/4 | 415,629 | - |