| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 22,166 | -1.9% |
| 2023/12 | 22,594 | +14.0% |
| 2022/12 | 19,823 | +2.0% |
| 2021/12 | 19,433 | -0.6% |
| 2020/12 | 19,554 | -0.7% |
| 2019/12 | 19,697 | +10.2% |
| 2018/12 | 17,874 | +6.5% |
| 2017/12 | 16,784 | +9.4% |
| 2016/12 | 15,348 | -6.3% |
| 2015/12 | 16,372 | +8.4% |
| 2014/12 | 15,104 | -18.0% |
| 2013/12 | 18,412 | -5.0% |
| 2012/12 | 19,383 | +18.5% |
| 2011/12 | 16,357 | - |