| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q23 | 11,794 | -13.8% |
| 3Q23 | 11,800 | +25.8% |
| 2Q23 | 13,290 | +50.6% |
| 1Q23 | 13,154 | +48.9% |
| 4Q22 | 13,675 | +49.0% |
| 3Q22 | 9,383 | +3.3% |
| 2Q22 | 8,822 | -3.9% |
| 1Q22 | 8,832 | -4.1% |
| 4Q21 | 9,180 | -21.5% |
| 3Q21 | 9,083 | -26.7% |
| 2Q21 | 9,182 | -10.9% |
| 1Q21 | 9,209 | -3.2% |
| 4Q20 | 11,695 | +78.7% |
| 3Q20 | 12,390 | +78.5% |
| 2Q20 | 10,305 | +338.3% |
| 1Q20 | 9,509 | -5.0% |
| 4Q19 | 6,546 | -37.8% |
| 3Q19 | 6,943 | -33.1% |
| 2Q19 | 2,351 | -77.5% |
| 1Q19 | 10,014 | -6.1% |
| 4Q18 | 10,529 | -0.2% |
| 3Q18 | 10,375 | -2.2% |
| 2Q18 | 10,464 | +2.9% |
| 1Q18 | 10,661 | -4.3% |
| 4Q17 | 10,552 | -5.8% |
| 3Q17 | 10,610 | -5.4% |
| 2Q17 | 10,165 | -12.3% |
| 1Q17 | 11,144 | +2.1% |
| 4Q16 | 11,197 | +12.9% |
| 3Q16 | 11,218 | +21.6% |
| 2Q16 | 11,594 | +25.8% |
| 1Q16 | 10,920 | +16.5% |
| 4Q15 | 9,920 | +2.6% |
| 3Q15 | 9,226 | -2.6% |
| 2Q15 | 9,213 | +4.0% |
| 1Q15 | 9,370 | +14.1% |
| 4Q14 | 9,672 | +18.6% |
| 3Q14 | 9,468 | +15.6% |
| 2Q14 | 8,857 | +12.2% |
| 1Q14 | 8,212 | +7.6% |
| 4Q13 | 8,155 | +2.7% |
| 3Q13 | 8,192 | +15.5% |
| 2Q13 | 7,893 | +18.2% |
| 1Q13 | 7,635 | +14.5% |
| 4Q12 | 7,943 | +19.8% |
| 3Q12 | 7,091 | +23.2% |
| 2Q12 | 6,678 | - |
| 1Q12 | 6,671 | - |
| 4Q11 | 6,629 | - |
| 3Q11 | 5,757 | - |