| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 42,959 | +2.4% |
| 2023/12 | 41,962 | -0.8% |
| 2022/12 | 42,314 | -5.6% |
| 2021/12 | 44,808 | +4.0% |
| 2020/12 | 43,087 | +15.2% |
| 2019/12 | 37,410 | +7.4% |
| 2018/12 | 34,847 | +10.4% |
| 2017/12 | 31,578 | +4.9% |
| 2016/12 | 30,091 | +11.8% |
| 2015/12 | 26,927 | +3.7% |
| 2014/12 | 25,957 | -2.1% |
| 2013/12 | 26,511 | -3.5% |
| 2012/12 | 27,484 | -9.2% |
| 2011/12 | 30,252 | - |