| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q23 | 15,486 | -2.7% |
| 3Q23 | 15,472 | +0.4% |
| 2Q23 | 14,831 | -2.8% |
| 1Q23 | 14,732 | +1.0% |
| 4Q22 | 15,914 | +11.1% |
| 3Q22 | 15,407 | +13.5% |
| 2Q22 | 15,254 | +16.3% |
| 1Q22 | 14,580 | +16.6% |
| 4Q21 | 14,330 | +14.0% |
| 3Q21 | 13,570 | +7.5% |
| 2Q21 | 13,110 | +4.9% |
| 1Q21 | 12,506 | +0.3% |
| 4Q20 | 12,569 | +11.0% |
| 3Q20 | 12,617 | +25.5% |
| 2Q20 | 12,503 | +28.1% |
| 1Q20 | 12,466 | +32.5% |
| 4Q19 | 11,321 | +16.6% |
| 3Q19 | 10,055 | +6.3% |
| 2Q19 | 9,761 | +5.3% |
| 1Q19 | 9,407 | +1.4% |
| 4Q18 | 9,708 | +5.6% |
| 3Q18 | 9,460 | +5.3% |
| 2Q18 | 9,272 | +15.6% |
| 1Q18 | 9,276 | +23.8% |
| 4Q17 | 9,196 | - |
| 3Q17 | 8,980 | -8.9% |
| 2Q17 | 8,020 | -16.9% |
| 1Q17 | 7,492 | -20.3% |
| 3Q16 | 9,854 | - |
| 2Q16 | 9,654 | - |
| 1Q16 | 9,396 | - |
| 3Q14 | 19,611 | +1.3% |
| 2Q14 | 19,353 | +1.0% |
| 1Q14 | 19,077 | +0.7% |
| 4Q13 | 19,484 | +0.8% |
| 3Q13 | 19,366 | -0.1% |
| 2Q13 | 19,159 | -1.4% |
| 1Q13 | 18,936 | -2.6% |
| 4Q12 | 19,338 | -1.5% |
| 3Q12 | 19,389 | +3.9% |
| 2Q12 | 19,427 | +10.1% |
| 1Q12 | 19,433 | - |
| 4Q11 | 19,624 | - |
| 3Q11 | 18,660 | - |
| 2Q11 | 17,640 | - |