| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q20 | 2,021 | +49.2% |
| 3Q20 | 1,726 | +32.9% |
| 2Q20 | 1,674 | +39.3% |
| 1Q20 | 1,516 | +32.6% |
| 4Q19 | 1,355 | +18.4% |
| 3Q19 | 1,299 | +12.4% |
| 2Q19 | 1,202 | +5.4% |
| 1Q19 | 1,143 | +3.2% |
| 4Q18 | 1,144 | -9.4% |
| 3Q18 | 1,156 | +4.4% |
| 2Q18 | 1,140 | +0.4% |
| 1Q18 | 1,108 | -2.0% |
| 4Q17 | 1,263 | +6.3% |
| 3Q17 | 1,107 | -2.4% |
| 2Q17 | 1,135 | -9.1% |
| 1Q17 | 1,131 | -14.4% |
| 4Q16 | 1,188 | -7.7% |
| 3Q16 | 1,134 | -15.1% |
| 2Q16 | 1,249 | -8.2% |
| 1Q16 | 1,322 | -4.3% |
| 4Q15 | 1,287 | -10.7% |
| 3Q15 | 1,336 | -9.4% |
| 2Q15 | 1,360 | -7.2% |
| 1Q15 | 1,381 | -4.1% |
| 4Q14 | 1,441 | -2.1% |
| 3Q14 | 1,475 | +2.8% |
| 2Q14 | 1,466 | -4.4% |
| 1Q14 | 1,440 | -10.3% |
| 4Q13 | 1,472 | -4.9% |
| 3Q13 | 1,435 | -15.2% |
| 2Q13 | 1,533 | -9.1% |
| 1Q13 | 1,606 | -5.8% |
| 4Q12 | 1,548 | -9.2% |
| 3Q12 | 1,692 | +2.7% |
| 2Q12 | 1,686 | - |
| 1Q12 | 1,704 | - |
| 4Q11 | 1,704 | - |
| 3Q11 | 1,647 | - |