| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 3Q21 | 23,617 | +5.4% |
| 2Q21 | 23,306 | +6.3% |
| 1Q21 | 23,596 | +9.3% |
| 4Q20 | 22,403 | -0.9% |
| 3Q20 | 22,404 | +3.3% |
| 2Q20 | 21,925 | +8.9% |
| 1Q20 | 21,597 | +29.5% |
| 4Q19 | 22,606 | +35.8% |
| 3Q19 | 21,690 | +28.6% |
| 2Q19 | 20,132 | +23.0% |
| 1Q19 | 16,683 | -1.4% |
| 4Q18 | 16,643 | +11.3% |
| 3Q18 | 16,867 | +17.8% |
| 2Q18 | 16,366 | +20.8% |
| 1Q18 | 16,916 | +22.8% |
| 4Q17 | 14,950 | +8.1% |
| 3Q17 | 14,313 | +9.4% |
| 2Q17 | 13,547 | +9.7% |
| 1Q17 | 13,771 | +18.3% |
| 4Q16 | 13,829 | +21.9% |
| 3Q16 | 13,083 | +17.3% |
| 2Q16 | 12,350 | +9.8% |
| 1Q16 | 11,640 | +8.0% |
| 4Q15 | 11,340 | +0.8% |
| 3Q15 | 11,156 | -2.5% |
| 2Q15 | 11,245 | +6.0% |
| 1Q15 | 10,781 | +5.6% |
| 4Q14 | 11,250 | +14.4% |
| 3Q14 | 11,437 | +13.5% |
| 2Q14 | 10,608 | +8.6% |
| 1Q14 | 10,214 | +3.2% |
| 4Q13 | 9,833 | +0.2% |
| 3Q13 | 10,076 | +6.5% |
| 2Q13 | 9,768 | +1.6% |
| 1Q13 | 9,894 | +1.3% |
| 4Q12 | 9,810 | +1.4% |
| 3Q12 | 9,465 | +1.4% |
| 2Q12 | 9,613 | +3.5% |
| 1Q12 | 9,767 | +6.2% |
| 4Q11 | 9,678 | +3.3% |
| 3Q11 | 9,337 | +2.9% |
| 2Q11 | 9,288 | +3.6% |
| 1Q11 | 9,200 | - |
| 4Q10 | 9,365 | - |
| 3Q10 | 9,076 | - |
| 2Q10 | 8,967 | - |