| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2025/12 | 24,800 | +3.3% |
| 2024/12 | 24,000 | +3.9% |
| 2023/12 | 23,100 | +1.8% |
| 2022/12 | 22,700 | +10.2% |
| 2021/12 | 20,600 | +9.0% |
| 2020/12 | 18,900 | +13.2% |
| 2019/12 | 16,700 | +1.8% |
| 2018/12 | 16,402 | +27.4% |
| 2017/12 | 12,876 | +18.3% |
| 2016/12 | 10,883 | +5.1% |
| 2015/12 | 10,358 | +12.9% |
| 2014/12 | 9,178 | +7.4% |
| 2013/12 | 8,545 | +8.7% |
| 2012/12 | 7,861 | +3.2% |
| 2011/12 | 7,620 | +10.6% |
| 2010/12 | 6,890 | - |