| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/12 | 30,922 | +7.7% |
| 2023/12 | 28,710 | -3.5% |
| 2022/12 | 29,753 | +10.5% |
| 2021/12 | 26,930 | +1.0% |
| 2020/12 | 26,670 | +8.3% |
| 2019/12 | 24,619 | +9.3% |
| 2018/12 | 22,514 | +8.9% |
| 2017/12 | 20,674 | +8.9% |
| 2016/12 | 18,992 | +16.8% |
| 2015/12 | 16,254 | -4.2% |
| 2014/12 | 16,971 | -19.8% |
| 2013/12 | 21,169 | +7.9% |
| 2012/12 | 19,615 | +11.8% |
| 2011/12 | 17,548 | - |