| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2024/4 | 579,722 | -16.3% |
| 2023/4 | 692,541 | -1.2% |
| 2022/4 | 700,658 | +12.0% |
| 2021/4 | 625,335 | +5.8% |
| 2020/4 | 591,024 | +6.5% |
| 2019/4 | 554,722 | +14.3% |
| 2018/4 | 485,220 | +5.3% |
| 2017/4 | 460,756 | -1.1% |
| 2016/4 | 465,917 | -6.8% |
| 2015/4 | 499,683 | -1.4% |
| 2014/4 | 506,879 | -4.8% |
| 2013/4 | 532,232 | -2.1% |
| 2012/4 | 543,396 | +0.8% |
| 2011/4 | 539,043 | - |