| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q25 | 15,200 | -8.6% |
| 3Q25 | 15,100 | -15.7% |
| 2Q25 | 15,600 | -8.1% |
| 1Q25 | 16,100 | -5.0% |
| 4Q24 | 16,631 | -0.8% |
| 3Q24 | 17,906 | - |
| 2Q24 | 16,966 | - |
| 1Q24 | 16,952 | - |
| 4Q23 | 16,769 | - |
| 4Q21 | 13,668 | +10.8% |
| 3Q21 | 13,481 | +10.2% |
| 2Q21 | 13,023 | +12.5% |
| 1Q21 | 12,721 | +9.5% |
| 4Q20 | 12,337 | +13.7% |
| 3Q20 | 12,237 | +77.2% |
| 2Q20 | 11,580 | +174.7% |
| 1Q20 | 11,616 | +177.8% |
| 4Q19 | 10,846 | +164.3% |
| 3Q19 | 6,905 | +93.4% |
| 2Q19 | 4,215 | +37.9% |
| 1Q19 | 4,181 | +46.1% |
| 4Q18 | 4,104 | +55.9% |
| 3Q18 | 3,571 | +38.8% |
| 2Q18 | 3,056 | - |
| 1Q18 | 2,861 | - |
| 4Q17 | 2,632 | +40.4% |
| 3Q17 | 2,573 | +35.9% |
| 4Q16 | 1,875 | -160.9% |
| 3Q16 | 1,893 | -18.3% |
| 2Q16 | 2,002 | -57.9% |
| 1Q16 | 2,043 | -57.8% |
| 4Q15 | -3,079 | -159.1% |
| 3Q15 | 2,317 | -57.0% |
| 2Q15 | 4,750 | -12.9% |
| 1Q15 | 4,844 | -0.6% |
| 4Q14 | 5,206 | +18.8% |
| 3Q14 | 5,387 | +38.3% |
| 2Q14 | 5,455 | +2.8% |
| 1Q14 | 4,871 | -7.9% |
| 4Q13 | 4,384 | - |
| 3Q13 | 3,895 | - |
| 2Q13 | 5,306 | +20.5% |
| 1Q13 | 5,286 | +25.5% |
| 2Q12 | 4,405 | - |
| 1Q12 | 4,213 | - |
| 4Q11 | 3,959 | - |