| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2Q21 | 17,432 | -4.1% |
| 1Q21 | 18,399 | -3.4% |
| 3Q20 | 20,594 | +7.4% |
| 2Q20 | 18,171 | +6.0% |
| 1Q20 | 19,044 | +17.0% |
| 3Q19 | 19,178 | -1.4% |
| 2Q19 | 17,137 | -20.7% |
| 1Q19 | 16,274 | +28.8% |
| 3Q18 | 19,445 | +127.0% |
| 2Q18 | 21,605 | +225.3% |
| 1Q18 | 12,635 | +88.5% |
| 3Q17 | 8,565 | -7.4% |
| 2Q17 | 6,641 | -15.6% |
| 1Q17 | 6,702 | -22.1% |
| 3Q16 | 9,249 | -26.3% |
| 2Q16 | 7,869 | +10.9% |
| 1Q16 | 8,605 | +1.2% |
| 3Q15 | 12,557 | +50.9% |
| 2Q15 | 7,093 | +44.8% |
| 1Q15 | 8,504 | +39.3% |
| 3Q14 | 8,324 | +3.5% |
| 2Q14 | 4,898 | -5.0% |
| 1Q14 | 6,104 | -11.1% |
| 3Q13 | 8,046 | -3.1% |
| 2Q13 | 5,158 | -0.4% |
| 1Q13 | 6,867 | +18.6% |
| 3Q12 | 8,302 | -8.7% |
| 2Q12 | 5,181 | +0.4% |
| 1Q12 | 5,788 | -33.2% |
| 3Q11 | 9,092 | - |
| 2Q11 | 5,158 | - |
| 1Q11 | 8,666 | - |