| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 67,250 | +4.7% |
| 2023/12 | 64,243 | +8.4% |
| 2022/12 | 59,280 | +6.5% |
| 2021/12 | 55,682 | -0.5% |
| 2020/12 | 55,935 | +0.4% |
| 2019/12 | 55,696 | -1.9% |
| 2018/12 | 56,766 | +5.6% |
| 2017/12 | 53,764 | -5.0% |
| 2016/12 | 56,610 | +2.1% |
| 2015/12 | 55,427 | -8.4% |
| 2014/12 | 60,477 | +22.4% |
| 2013/12 | 49,399 | +5.5% |
| 2012/12 | 46,836 | +4.6% |
| 2011/12 | 44,784 | - |