| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 3Q23 | 3,351 | -16.8% |
| 2Q23 | 3,237 | -18.9% |
| 1Q23 | 4,031 | -8.1% |
| 3Q22 | 4,028 | +9.2% |
| 2Q22 | 3,992 | +6.5% |
| 1Q22 | 4,388 | +34.3% |
| 3Q21 | 3,690 | +70.1% |
| 2Q21 | 3,748 | +2.3% |
| 1Q21 | 3,267 | -45.3% |
| 4Q20 | 2,174 | -61.5% |
| 3Q20 | 2,169 | -61.6% |
| 2Q20 | 3,662 | -35.1% |
| 1Q20 | 5,975 | +0.5% |
| 4Q19 | 5,646 | -7.1% |
| 3Q19 | 5,645 | -10.2% |
| 2Q19 | 5,645 | -10.3% |
| 1Q19 | 5,943 | -10.5% |
| 4Q18 | 6,078 | +1.0% |
| 3Q18 | 6,289 | +4.5% |
| 2Q18 | 6,290 | +4.7% |
| 1Q18 | 6,642 | +2.6% |
| 4Q17 | 6,018 | +4.8% |
| 3Q17 | 6,017 | +4.8% |
| 2Q17 | 6,005 | +4.7% |
| 1Q17 | 6,474 | +8.9% |
| 4Q16 | 5,744 | +6.7% |
| 3Q16 | 5,744 | -1.6% |
| 2Q16 | 5,737 | +64.1% |
| 1Q16 | 5,945 | +34.3% |
| 4Q15 | 5,385 | - |
| 3Q15 | 5,836 | - |
| 2Q15 | 3,495 | - |
| 1Q15 | 4,426 | - |