| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 487,073 | +3.3% |
| 2023/12 | 471,428 | +6.4% |
| 2022/12 | 443,105 | -9.4% |
| 2021/12 | 488,974 | +15.3% |
| 2020/12 | 424,240 | +12.2% |
| 2019/12 | 378,056 | +5.7% |
| 2018/12 | 357,802 | +2.9% |
| 2017/12 | 347,701 | -2.1% |
| 2016/12 | 355,080 | -7.5% |
| 2015/12 | 383,830 | +1.5% |
| 2014/12 | 378,253 | -8.9% |
| 2013/12 | 415,028 | +16.9% |
| 2012/12 | 354,883 | +5.0% |
| 2011/12 | 338,054 | - |