| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 368,537 | +4.8% |
| 2023/12 | 351,554 | +3.4% |
| 2022/12 | 339,978 | -1.4% |
| 2021/12 | 344,910 | -0.7% |
| 2020/12 | 347,492 | +17.4% |
| 2019/12 | 296,103 | +7.2% |
| 2018/12 | 276,098 | -3.3% |
| 2017/12 | 285,603 | -7.2% |
| 2016/12 | 307,838 | +31.6% |
| 2015/12 | 233,877 | +8.5% |
| 2014/12 | 215,535 | +4.1% |
| 2013/12 | 207,134 | +0.8% |
| 2012/12 | 205,477 | +2.6% |
| 2011/12 | 200,227 | - |