| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2Q20 | 29,675 | +10.3% |
| 1Q20 | 29,151 | +7.6% |
| 4Q19 | 27,878 | +0.7% |
| 3Q19 | 27,599 | -5.0% |
| 2Q19 | 26,892 | -0.1% |
| 1Q19 | 27,093 | -0.0% |
| 4Q18 | 27,677 | +3.8% |
| 3Q18 | 29,051 | +38.5% |
| 2Q18 | 26,906 | +24.6% |
| 1Q18 | 27,096 | +37.4% |
| 4Q17 | 26,664 | +45.6% |
| 3Q17 | 20,969 | +15.9% |
| 2Q17 | 21,595 | +19.9% |
| 1Q17 | 19,717 | +8.0% |
| 4Q16 | 18,312 | +0.2% |
| 3Q16 | 18,086 | +91.6% |
| 2Q16 | 18,014 | +14.4% |
| 1Q16 | 18,253 | +18.4% |
| 4Q15 | 18,267 | +14.0% |
| 3Q15 | 9,437 | -40.8% |
| 2Q15 | 15,745 | +3.6% |
| 1Q15 | 15,414 | +10.4% |
| 4Q14 | 16,023 | +41.6% |
| 3Q14 | 15,941 | +36.6% |
| 2Q14 | 15,203 | +20.3% |
| 1Q14 | 13,961 | +22.6% |
| 4Q13 | 11,315 | -16.1% |
| 3Q13 | 11,670 | -12.3% |
| 2Q13 | 12,636 | -4.5% |
| 1Q13 | 11,389 | -9.4% |
| 4Q12 | 13,489 | +4.8% |
| 3Q12 | 13,314 | +3.6% |
| 2Q12 | 13,232 | -8.7% |
| 1Q12 | 12,576 | +26.3% |
| 4Q11 | 12,869 | +22.5% |
| 3Q11 | 12,852 | +32.3% |
| 2Q11 | 14,493 | - |
| 1Q11 | 9,958 | - |
| 4Q10 | 10,504 | - |
| 3Q10 | 9,714 | - |