| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2024/12 | 158,296 | -5.0% |
| 2023/12 | 166,623 | +10.4% |
| 2022/12 | 150,966 | +1.1% |
| 2021/12 | 149,269 | +0.2% |
| 2020/12 | 148,940 | +1.5% |
| 2019/12 | 146,788 | -1.7% |
| 2018/12 | 149,395 | +35.1% |
| 2017/12 | 110,575 | +3.9% |
| 2016/12 | 106,473 | +0.2% |
| 2015/12 | 106,208 | +6.9% |
| 2014/12 | 99,379 | +67.0% |
| 2013/12 | 59,515 | +18.1% |
| 2012/12 | 50,392 | -3.2% |
| 2011/12 | 52,053 | - |