| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q22 | 274,000 | -37.6% |
| 3Q22 | 349,000 | +5.4% |
| 2Q22 | 335,000 | -11.1% |
| 1Q22 | 359,000 | -20.9% |
| 4Q21 | 439,000 | +11.1% |
| 3Q21 | 331,000 | +63.9% |
| 2Q21 | 377,000 | +22.8% |
| 1Q21 | 454,000 | +53.9% |
| 4Q20 | 395,000 | +166.9% |
| 3Q20 | 202,000 | -45.0% |
| 2Q20 | 307,000 | -14.0% |
| 1Q20 | 295,000 | -14.5% |
| 4Q19 | 148,000 | -61.2% |
| 3Q19 | 367,000 | -8.0% |
| 2Q19 | 357,000 | +10.2% |
| 1Q19 | 345,000 | +23.2% |
| 4Q18 | 381,000 | -15.7% |
| 3Q18 | 399,000 | -12.5% |
| 2Q18 | 324,000 | -19.0% |
| 1Q18 | 280,000 | -28.6% |
| 4Q17 | 452,000 | -18.9% |
| 3Q17 | 456,000 | -12.0% |
| 2Q17 | 400,000 | -14.3% |
| 1Q17 | 392,000 | -13.8% |
| 4Q16 | 557,000 | - |
| 3Q16 | 518,000 | - |
| 2Q16 | 467,000 | - |
| 1Q16 | 455,000 | - |