| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 2Q23 | 14,485 | -20.4% |
| 1Q23 | 15,345 | -19.9% |
| 4Q22 | 16,441 | -6.7% |
| 3Q22 | 18,746 | +10.7% |
| 2Q22 | 18,207 | +1.9% |
| 1Q22 | 19,160 | -9.6% |
| 4Q21 | 17,614 | +7.9% |
| 3Q21 | 16,936 | +13.8% |
| 2Q21 | 17,864 | +12.4% |
| 1Q21 | 21,200 | +30.9% |
| 4Q20 | 16,326 | +12.9% |
| 3Q20 | 14,886 | +4.5% |
| 2Q20 | 15,898 | +11.5% |
| 1Q20 | 16,196 | +6.0% |
| 4Q19 | 14,465 | +32.1% |
| 3Q19 | 14,248 | +38.5% |
| 2Q19 | 14,260 | +58.7% |
| 1Q19 | 15,277 | +46.8% |
| 4Q18 | 10,954 | +63.0% |
| 3Q18 | 10,289 | +26.3% |
| 2Q18 | 8,987 | +10.6% |
| 1Q18 | 10,407 | +23.0% |
| 4Q17 | 6,719 | +13.5% |
| 3Q17 | 8,146 | +47.4% |
| 2Q17 | 8,126 | +34.5% |
| 1Q17 | 8,460 | +61.1% |
| 4Q16 | 5,917 | -30.6% |
| 3Q16 | 5,525 | +1717.3% |
| 2Q16 | 6,040 | +2110.2% |
| 1Q16 | 5,250 | +3302.0% |
| 4Q15 | 8,521 | +6995.8% |
| 3Q15 | 304 | +3383.7% |
| 2Q15 | 273 | +1384.8% |
| 1Q15 | 154 | +929.7% |
| 4Q14 | 120 | +544.1% |
| 3Q14 | 8 | +24.3% |
| 2Q14 | 18 | +116.7% |
| 1Q14 | 14 | +260.0% |
| 4Q13 | 18 | +309.9% |
| 3Q13 | 7 | - |
| 2Q13 | 8 | - |
| 1Q13 | 4 | -17.4% |
| 4Q12 | 4 | -14.2% |
| 1Q12 | 5 | - |
| 4Q11 | 5 | - |