| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/9 | 94,770 | -1.8% |
| 2023/9 | 96,530 | -7.2% |
| 2022/9 | 104,056 | -22.1% |
| 2021/9 | 133,512 | +12.1% |
| 2020/9 | 119,058 | +31.1% |
| 2019/9 | 90,793 | +18.0% |
| 2018/9 | 76,974 | +13.2% |
| 2017/9 | 67,981 | +3.8% |
| 2016/9 | 65,480 | +4.6% |
| 2015/9 | 62,620 | +46.1% |
| 2014/9 | 42,864 | +13.2% |
| 2013/9 | 37,865 | +31.4% |
| 2012/9 | 28,821 | +4.2% |
| 2011/9 | 27,661 | +1.2% |
| 2010/9 | 27,322 | - |