| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q23 | 3,315 | +75.6% |
| 3Q23 | 2,688 | +40.7% |
| 2Q23 | 2,022 | +11.7% |
| 1Q23 | 1,875 | -6.1% |
| 4Q22 | 1,888 | -6.8% |
| 3Q22 | 1,911 | -5.9% |
| 2Q22 | 1,810 | -10.4% |
| 1Q22 | 1,996 | +3.6% |
| 4Q21 | 2,025 | +4.9% |
| 3Q21 | 2,030 | -0.9% |
| 2Q21 | 2,019 | -2.1% |
| 1Q21 | 1,926 | -6.4% |
| 4Q20 | 1,931 | -4.6% |
| 3Q20 | 2,049 | +3.9% |
| 2Q20 | 2,063 | +8.9% |
| 1Q20 | 2,057 | +20.4% |
| 4Q19 | 2,025 | +8.2% |
| 3Q19 | 1,973 | +6.1% |
| 2Q19 | 1,894 | +18.5% |
| 1Q19 | 1,708 | +10.8% |
| 4Q18 | 1,872 | +27.2% |
| 3Q18 | 1,859 | +32.6% |
| 2Q18 | 1,598 | +18.3% |
| 1Q18 | 1,542 | +7.7% |
| 4Q17 | 1,472 | -39.5% |
| 3Q17 | 1,402 | +1.2% |
| 2Q17 | 1,351 | -6.6% |
| 1Q17 | 1,432 | -6.6% |
| 4Q16 | 2,434 | +40.8% |
| 3Q16 | 1,385 | -27.4% |
| 2Q16 | 1,447 | -18.2% |
| 1Q16 | 1,534 | -14.5% |
| 4Q15 | 1,729 | -11.8% |
| 3Q15 | 1,907 | -0.9% |
| 2Q15 | 1,770 | -7.9% |
| 1Q15 | 1,794 | -7.6% |
| 4Q14 | 1,961 | -0.5% |
| 3Q14 | 1,925 | -19.4% |
| 2Q14 | 1,921 | -24.1% |
| 1Q14 | 1,941 | -22.8% |
| 4Q13 | 1,971 | -19.5% |
| 3Q13 | 2,389 | - |
| 2Q13 | 2,531 | - |
| 1Q13 | 2,514 | -11.6% |
| 4Q12 | 2,447 | - |
| 1Q12 | 2,845 | - |