| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 1Q20 | 30,816 | +15.7% |
| 4Q19 | 29,491 | +8.0% |
| 3Q19 | 27,846 | +5.2% |
| 2Q19 | 27,767 | +5.7% |
| 1Q19 | 26,640 | +2.5% |
| 4Q18 | 27,295 | +7.0% |
| 3Q18 | 26,461 | +7.1% |
| 2Q18 | 26,263 | +13.3% |
| 1Q18 | 26,002 | +20.2% |
| 4Q17 | 25,510 | +18.1% |
| 3Q17 | 24,705 | +22.8% |
| 2Q17 | 23,178 | +18.8% |
| 1Q17 | 21,637 | +12.2% |
| 4Q16 | 21,606 | +18.5% |
| 3Q16 | 20,120 | +11.8% |
| 2Q16 | 19,515 | +18.2% |
| 1Q16 | 19,288 | +11.6% |
| 4Q15 | 18,239 | -2.1% |
| 3Q15 | 17,993 | -6.9% |
| 2Q15 | 16,513 | -4.8% |
| 1Q15 | 17,280 | +7.0% |
| 4Q14 | 18,636 | +14.9% |
| 3Q14 | 19,321 | +29.4% |
| 2Q14 | 17,348 | +6.8% |
| 1Q14 | 16,150 | -8.6% |
| 4Q13 | 16,215 | +1.2% |
| 3Q13 | 14,930 | -7.6% |
| 2Q13 | 16,239 | +0.9% |
| 1Q13 | 17,669 | +11.3% |
| 4Q12 | 16,030 | +0.8% |
| 3Q12 | 16,163 | +9.0% |
| 2Q12 | 16,098 | +8.9% |
| 1Q12 | 15,876 | +6.2% |
| 4Q11 | 15,910 | +5.3% |
| 3Q11 | 14,824 | +3.7% |
| 2Q11 | 14,779 | - |
| 1Q11 | 14,944 | - |
| 4Q10 | 15,107 | - |
| 3Q10 | 14,289 | - |