| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/5 | 134,793 | -9.7% |
| 2024/5 | 149,216 | -9.3% |
| 2023/5 | 164,506 | +9.3% |
| 2022/5 | 150,487 | +12.1% |
| 2021/5 | 134,222 | +17.9% |
| 2020/5 | 113,885 | -0.7% |
| 2019/5 | 114,634 | -31.5% |
| 2018/5 | 167,410 | -3.5% |
| 2017/5 | 173,474 | -3.4% |
| 2016/5 | 179,574 | -0.3% |
| 2015/5 | 180,085 | +3.1% |
| 2014/5 | 174,594 | +0.9% |
| 2013/5 | 173,037 | +80.6% |
| 2012/5 | 95,829 | - |