| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 193,194 | +16.2% |
| 2023/12 | 166,241 | +1.2% |
| 2022/12 | 164,259 | -8.2% |
| 2021/12 | 178,946 | -7.3% |
| 2020/12 | 193,138 | +2.7% |
| 2019/12 | 188,084 | +7.5% |
| 2018/12 | 174,946 | -7.2% |
| 2017/12 | 188,563 | -9.8% |
| 2016/12 | 208,986 | -8.8% |
| 2015/12 | 229,127 | -40.7% |
| 2014/12 | 386,071 | +17.9% |
| 2013/12 | 327,505 | -6.7% |
| 2012/12 | 350,847 | -4.1% |
| 2011/12 | 365,870 | -8.9% |
| 2010/12 | 401,478 | - |