| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2025/1 | 261,136 | -5.8% |
| 2024/1 | 277,112 | -6.1% |
| 2023/1 | 295,068 | -1.2% |
| 2022/1 | 298,572 | -28.2% |
| 2021/1 | 415,594 | -10.4% |
| 2020/1 | 463,766 | +3.2% |
| 2019/1 | 449,213 | +0.5% |
| 2018/1 | 446,787 | +5.7% |
| 2017/1 | 422,629 | -1.5% |
| 2016/1 | 428,906 | +3.3% |
| 2015/1 | 415,148 | +35.5% |
| 2014/1 | 306,420 | +8.7% |
| 2013/1 | 282,004 | +5.1% |
| 2012/1 | 268,361 | - |