| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q22 | 1,485 | -89.6% |
| 3Q22 | 1,290 | -91.3% |
| 2Q22 | 1,338 | -90.9% |
| 1Q22 | 1,357 | -91.2% |
| 4Q21 | 14,323 | -2.5% |
| 3Q21 | 14,856 | +1.6% |
| 2Q21 | 14,660 | +2.5% |
| 1Q21 | 15,455 | +6.7% |
| 4Q20 | 14,685 | +0.1% |
| 3Q20 | 14,621 | +3.0% |
| 2Q20 | 14,300 | +4.2% |
| 1Q20 | 14,486 | -7.5% |
| 4Q19 | 14,673 | -12.9% |
| 3Q19 | 14,200 | -28.9% |
| 2Q19 | 13,718 | +27.4% |
| 1Q19 | 15,668 | +41.0% |
| 4Q18 | 16,842 | +43.5% |
| 3Q18 | 19,979 | +68.7% |
| 2Q18 | 10,768 | -18.9% |
| 1Q18 | 11,110 | -15.0% |
| 4Q17 | 11,736 | -3.4% |
| 3Q17 | 11,846 | -8.9% |
| 2Q17 | 13,285 | - |
| 1Q17 | 13,067 | - |
| 4Q16 | 12,145 | -21.4% |
| 3Q16 | 13,002 | -17.6% |
| 4Q15 | 15,443 | -16.1% |
| 3Q15 | 15,787 | -10.9% |
| 2Q15 | 15,516 | -17.6% |
| 1Q15 | 18,501 | -0.6% |
| 4Q14 | 18,414 | +4.3% |
| 3Q14 | 17,722 | -7.3% |
| 2Q14 | 18,822 | +8.2% |
| 1Q14 | 18,613 | +7.3% |
| 4Q13 | 17,657 | -9.8% |
| 3Q13 | 19,123 | +13.9% |
| 2Q13 | 17,396 | +1.3% |
| 1Q13 | 17,354 | +0.7% |
| 4Q12 | 19,581 | +16.7% |
| 3Q12 | 16,787 | +11.3% |
| 2Q12 | 17,180 | - |
| 1Q12 | 17,238 | - |
| 4Q11 | 16,786 | - |
| 3Q11 | 15,077 | - |