| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 41,980 | +4.5% |
| 2023/12 | 40,162 | +3.9% |
| 2022/12 | 38,644 | +5.5% |
| 2021/12 | 36,618 | +0.2% |
| 2020/12 | 36,551 | +16.0% |
| 2019/12 | 31,521 | +12.7% |
| 2018/12 | 27,965 | +10.1% |
| 2017/12 | 25,404 | +1.9% |
| 2016/12 | 24,934 | -1.5% |
| 2015/12 | 25,312 | +3.9% |
| 2014/12 | 24,373 | +12.4% |
| 2013/12 | 21,678 | +4.2% |
| 2012/12 | 20,802 | +10.3% |
| 2011/12 | 18,851 | - |