| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 3Q20 | 530,000 | +1.0% |
| 2Q20 | 539,000 | +1.7% |
| 1Q20 | 540,000 | +6.3% |
| 4Q19 | 627,000 | +22.0% |
| 3Q19 | 525,000 | +0.4% |
| 2Q19 | 530,000 | 0.0% |
| 1Q19 | 508,000 | -6.3% |
| 4Q18 | 514,000 | -14.3% |
| 3Q18 | 523,000 | +7.4% |
| 2Q18 | 530,000 | -0.7% |
| 1Q18 | 542,000 | +7.3% |
| 4Q17 | 600,000 | -6.4% |
| 3Q17 | 487,000 | 0.0% |
| 2Q17 | 534,000 | +10.3% |
| 1Q17 | 505,000 | +3.5% |
| 4Q16 | 641,000 | +30.5% |
| 3Q16 | 487,000 | +3.6% |
| 2Q16 | 484,000 | +1.7% |
| 1Q16 | 488,000 | +4.3% |
| 4Q15 | 491,000 | -0.4% |
| 3Q15 | 470,000 | +9.3% |
| 2Q15 | 476,000 | +13.9% |
| 1Q15 | 468,000 | +13.6% |
| 4Q14 | 493,000 | +23.6% |
| 3Q14 | 430,000 | +10.8% |
| 2Q14 | 418,000 | - |
| 1Q14 | 412,000 | +36.0% |
| 4Q13 | 399,000 | +33.4% |
| 3Q13 | 388,000 | +30.2% |
| 1Q13 | 303,000 | +9.4% |
| 4Q12 | 299,000 | +14.6% |
| 3Q12 | 298,000 | +6.4% |
| 2Q12 | 293,000 | +10.6% |
| 1Q12 | 277,000 | - |
| 4Q11 | 261,000 | - |
| 3Q11 | 280,000 | - |
| 2Q11 | 265,000 | - |