| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 211,916 | -10.6% |
| 2023/12 | 236,966 | +1.5% |
| 2022/12 | 233,400 | -9.6% |
| 2021/12 | 258,303 | +12.9% |
| 2020/12 | 228,737 | -1.4% |
| 2019/12 | 232,032 | +24.0% |
| 2018/12 | 187,174 | +15.5% |
| 2017/12 | 162,041 | +32.7% |
| 2016/12 | 122,091 | +31.0% |
| 2015/12 | 93,213 | +48.1% |
| 2014/12 | 62,953 | +58.2% |
| 2013/12 | 39,788 | +79.5% |
| 2012/12 | 22,164 | +12.2% |
| 2011/12 | 19,756 | +36.2% |
| 2010/12 | 14,510 | - |