| （単位：千ドル） | 売上原価 | 前年比（％） |
|---|---|---|
| 2023/12 | 186,800 | -1.7% |
| 2022/12 | 190,013 | +3.0% |
| 2021/12 | 184,558 | -6.1% |
| 2020/12 | 196,558 | -23.6% |
| 2019/12 | 257,246 | -4.7% |
| 2018/12 | 269,934 | -0.2% |
| 2017/12 | 270,556 | -0.9% |
| 2016/12 | 273,078 | -2.7% |
| 2015/12 | 280,541 | +0.4% |
| 2014/12 | 279,478 | +2.4% |
| 2013/12 | 272,858 | -3.4% |
| 2012/12 | 282,599 | -2.0% |
| 2011/12 | 288,434 | - |