| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2024/10 | 610,016 | +2.8% |
| 2023/10 | 593,600 | +1.5% |
| 2022/10 | 584,595 | -11.8% |
| 2021/10 | 662,909 | -10.6% |
| 2020/10 | 741,503 | -0.2% |
| 2019/10 | 742,637 | +0.3% |
| 2018/10 | 740,454 | -2.8% |
| 2017/10 | 762,043 | +29.7% |
| 2016/10 | 587,572 | +7.7% |
| 2015/10 | 545,390 | -6.2% |
| 2014/10 | 581,400 | +14.7% |
| 2013/10 | 506,934 | +13.3% |
| 2012/10 | 447,404 | +3.3% |
| 2011/10 | 433,199 | - |