| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 46,116 | -3.7% |
| 2023/12 | 47,877 | -2.2% |
| 2022/12 | 48,962 | +3.7% |
| 2021/12 | 47,220 | -3.7% |
| 2020/12 | 49,038 | +35.3% |
| 2019/12 | 36,257 | +27.6% |
| 2018/12 | 28,412 | +34.9% |
| 2017/12 | 21,062 | +24.1% |
| 2016/12 | 16,978 | +24.3% |
| 2015/12 | 13,654 | +72.1% |
| 2014/12 | 7,933 | +29.5% |
| 2013/12 | 6,127 | +11.1% |
| 2012/12 | 5,516 | -9.1% |
| 2011/12 | 6,067 | - |