| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 3Q21 | 33,000 | +14.2% |
| 2Q21 | 33,400 | +16.8% |
| 1Q21 | 34,500 | +27.8% |
| 4Q20 | 30,400 | +12.6% |
| 3Q20 | 28,900 | +11.6% |
| 2Q20 | 28,600 | +18.2% |
| 1Q20 | 27,000 | +15.9% |
| 4Q19 | 27,000 | +14.4% |
| 3Q19 | 25,900 | +11.6% |
| 2Q19 | 24,200 | +0.8% |
| 1Q19 | 23,300 | -1.3% |
| 4Q18 | 23,600 | -12.3% |
| 3Q18 | 23,200 | -5.7% |
| 2Q18 | 24,000 | -4.4% |
| 1Q18 | 23,600 | -4.1% |
| 4Q17 | 26,900 | +6.3% |
| 3Q17 | 24,600 | +1.7% |
| 2Q17 | 25,100 | +5.5% |
| 1Q17 | 24,600 | +3.4% |
| 4Q16 | 25,300 | +4.1% |
| 3Q16 | 24,200 | +3.0% |
| 2Q16 | 23,800 | +26.6% |
| 1Q16 | 23,800 | +41.7% |
| 4Q15 | 24,300 | +41.3% |
| 3Q15 | 23,500 | +35.8% |
| 2Q15 | 18,800 | +6.2% |
| 1Q15 | 16,800 | -4.0% |
| 4Q14 | 17,200 | -2.3% |
| 3Q14 | 17,300 | +1.2% |
| 2Q14 | 17,700 | +1.1% |
| 1Q14 | 17,500 | 0.0% |
| 4Q13 | 17,600 | +6.7% |
| 3Q13 | 17,100 | -9.0% |
| 2Q13 | 17,500 | +71.6% |
| 1Q13 | 17,500 | -35.2% |
| 4Q12 | 16,500 | -41.1% |
| 3Q12 | 18,800 | -32.9% |
| 2Q12 | 10,200 | -60.8% |
| 1Q12 | 27,000 | 0.0% |
| 4Q11 | 28,000 | 0.0% |
| 3Q11 | 28,000 | +3.7% |
| 2Q11 | 26,000 | - |
| 1Q11 | 27,000 | - |
| 4Q10 | 28,000 | - |
| 3Q10 | 27,000 | - |