| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/6 | 535,158 | +10.3% |
| 2024/6 | 485,356 | -1.3% |
| 2023/6 | 491,785 | -3.4% |
| 2022/6 | 508,996 | +12.5% |
| 2021/6 | 452,359 | +24.9% |
| 2020/6 | 362,178 | +7.9% |
| 2019/6 | 335,542 | +8.4% |
| 2018/6 | 309,625 | +6.2% |
| 2017/6 | 291,516 | +8.0% |
| 2016/6 | 269,839 | +0.9% |
| 2015/6 | 267,453 | +3.2% |
| 2014/6 | 259,050 | -5.1% |
| 2013/6 | 272,851 | +5.3% |
| 2012/6 | 259,126 | - |