| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 532,706 | -4.1% |
| 2023/12 | 555,642 | +10.9% |
| 2022/12 | 501,191 | +9.4% |
| 2021/12 | 458,319 | +10.6% |
| 2020/12 | 414,290 | -7.0% |
| 2019/12 | 445,601 | +12.0% |
| 2018/12 | 397,805 | +3.6% |
| 2017/12 | 384,106 | +3.6% |
| 2016/12 | 370,654 | +12.1% |
| 2015/12 | 330,527 | -5.9% |
| 2014/12 | 351,271 | -1.3% |
| 2013/12 | 355,909 | +4.5% |
| 2012/12 | 340,633 | -7.1% |
| 2011/12 | 366,660 | - |