| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 55,409 | +9.7% |
| 2023/9 | 50,523 | +4.6% |
| 2022/9 | 48,300 | +15.0% |
| 2021/9 | 42,000 | +1.7% |
| 2020/9 | 41,300 | +3.0% |
| 2019/9 | 40,100 | +6.2% |
| 2018/9 | 37,755 | +17.1% |
| 2017/9 | 32,229 | +36.7% |
| 2016/9 | 23,568 | +26.8% |
| 2015/9 | 18,584 | +13.6% |
| 2014/9 | 16,362 | +10.5% |
| 2013/9 | 14,805 | -40.3% |
| 2012/9 | 24,782 | +5.4% |
| 2011/9 | 23,521 | +6.3% |
| 2010/9 | 22,137 | - |