| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2024/6 | 389,335 | +6.1% |
| 2023/6 | 366,887 | +5.1% |
| 2022/6 | 349,103 | +17.1% |
| 2021/6 | 298,182 | +16.7% |
| 2020/6 | 255,497 | +6.2% |
| 2019/6 | 240,515 | +14.1% |
| 2018/6 | 210,850 | +11.9% |
| 2017/6 | 188,462 | +16.1% |
| 2016/6 | 162,364 | +12.0% |
| 2015/6 | 144,969 | +36.3% |
| 2014/6 | 106,352 | +33.8% |
| 2013/6 | 79,465 | +0.9% |
| 2012/6 | 78,756 | +21.1% |
| 2011/6 | 65,025 | - |