| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2022/12 | 419,226 | +4.3% |
| 2021/12 | 401,948 | -3.2% |
| 2020/12 | 415,307 | -4.2% |
| 2019/12 | 433,461 | -7.0% |
| 2018/12 | 466,328 | +34.4% |
| 2017/12 | 346,984 | -26.2% |
| 2016/12 | 470,026 | +41.6% |
| 2015/12 | 331,902 | +13.8% |
| 2014/12 | 291,535 | +17.6% |
| 2013/12 | 247,918 | +18.8% |
| 2012/12 | 208,647 | +34.9% |
| 2011/12 | 154,650 | +17.1% |
| 2010/12 | 132,042 | - |