| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 74,258 | +0.1% |
| 2023/12 | 74,148 | +9.1% |
| 2022/12 | 67,955 | +8.8% |
| 2021/12 | 62,472 | -3.8% |
| 2020/12 | 64,953 | +31.1% |
| 2019/12 | 49,537 | +25.5% |
| 2018/12 | 39,486 | +6.8% |
| 2017/12 | 36,967 | +6.4% |
| 2016/12 | 34,744 | -2.2% |
| 2015/12 | 35,529 | +4.0% |
| 2014/12 | 34,157 | -1.0% |
| 2013/12 | 34,494 | -2.0% |
| 2012/12 | 35,181 | +9.7% |
| 2011/12 | 32,057 | - |