| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 28,280 | +9.0% |
| 2023/12 | 25,954 | +8.0% |
| 2022/12 | 24,039 | +1.8% |
| 2021/12 | 23,615 | +6.6% |
| 2020/12 | 22,160 | +4.1% |
| 2019/12 | 21,279 | +1.7% |
| 2018/12 | 20,932 | +5.7% |
| 2017/12 | 19,803 | -2.7% |
| 2016/12 | 20,345 | +3.8% |
| 2015/12 | 19,598 | +2.0% |
| 2014/12 | 19,215 | +0.7% |
| 2013/12 | 19,083 | -7.3% |
| 2012/12 | 20,575 | -33.2% |
| 2011/12 | 30,778 | - |