| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q23 | 2,961 | +1.6% |
| 3Q23 | 2,907 | -5.2% |
| 2Q23 | 2,993 | -5.1% |
| 1Q23 | 3,051 | -7.4% |
| 4Q22 | 2,915 | -7.3% |
| 3Q22 | 3,065 | +25.1% |
| 2Q22 | 3,153 | +41.4% |
| 1Q22 | 3,294 | +48.9% |
| 4Q21 | 3,145 | +46.7% |
| 3Q21 | 2,449 | +19.2% |
| 2Q21 | 2,230 | +12.3% |
| 1Q21 | 2,212 | +8.6% |
| 4Q20 | 2,144 | +21.9% |
| 3Q20 | 2,055 | -0.6% |
| 2Q20 | 1,985 | -6.2% |
| 1Q20 | 2,037 | -9.8% |
| 4Q19 | 1,759 | -14.4% |
| 3Q19 | 2,067 | +330.8% |
| 2Q19 | 2,117 | +131.1% |
| 1Q19 | 2,258 | +157.9% |
| 4Q18 | 2,054 | +68.2% |
| 3Q18 | 479 | -60.7% |
| 2Q18 | 916 | -21.8% |
| 1Q18 | 875 | -24.7% |
| 4Q17 | 1,221 | +3.3% |
| 3Q17 | 1,221 | -0.1% |
| 2Q17 | 1,171 | -5.1% |
| 1Q17 | 1,162 | -4.9% |
| 4Q16 | 1,181 | -15.6% |
| 3Q16 | 1,223 | -14.7% |
| 2Q16 | 1,234 | -16.3% |
| 1Q16 | 1,223 | -17.3% |
| 4Q15 | 1,399 | -1.0% |
| 3Q15 | 1,433 | +2.9% |
| 2Q15 | 1,476 | +7.1% |
| 1Q15 | 1,479 | +6.7% |
| 4Q14 | 1,413 | -9.6% |
| 3Q14 | 1,392 | -26.7% |
| 2Q14 | 1,378 | -35.4% |
| 1Q14 | 1,386 | -34.3% |
| 4Q13 | 1,564 | +21.9% |
| 3Q13 | 1,899 | +55.2% |
| 2Q13 | 2,135 | +68.1% |
| 1Q13 | 2,109 | +75.7% |
| 4Q12 | 1,283 | - |
| 3Q12 | 1,224 | - |
| 2Q12 | 1,270 | - |
| 1Q12 | 1,200 | - |