| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 48,740 | -1.3% |
| 2023/12 | 49,368 | +2.8% |
| 2022/12 | 48,004 | +2.2% |
| 2021/12 | 46,970 | +5.7% |
| 2020/12 | 44,455 | +6.3% |
| 2019/12 | 41,815 | +2.1% |
| 2018/12 | 40,936 | +0.4% |
| 2017/12 | 40,766 | -2.0% |
| 2016/12 | 41,615 | +1.4% |
| 2015/12 | 41,038 | -5.4% |
| 2014/12 | 43,371 | +2.7% |
| 2013/12 | 42,223 | +3.9% |
| 2012/12 | 40,641 | +1.5% |
| 2011/12 | 40,037 | - |