| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 4Q21 | 180,011 | -39.4% |
| 3Q21 | 181,132 | -40.9% |
| 2Q21 | 180,282 | -40.8% |
| 1Q21 | 217,958 | -17.9% |
| 4Q20 | 296,857 | +57.7% |
| 3Q20 | 306,701 | +1610.9% |
| 2Q20 | 304,347 | +2775.0% |
| 1Q20 | 265,464 | +2418.9% |
| 4Q19 | 188,271 | +302.3% |
| 3Q19 | 17,926 | - |
| 2Q19 | 10,586 | - |
| 1Q19 | 10,539 | -40.3% |
| 4Q18 | 46,800 | +252.9% |
| 1Q18 | 17,643 | -49.7% |
| 4Q17 | 13,263 | -105.0% |
| 3Q17 | 35,877 | -84.5% |
| 2Q17 | 35,038 | -84.9% |
| 1Q17 | 35,084 | -84.9% |
| 4Q16 | -262,659 | -222.6% |
| 3Q16 | 231,925 | +142.4% |
| 2Q16 | 231,926 | - |
| 1Q16 | 231,926 | - |
| 4Q15 | 214,174 | - |
| 3Q15 | 95,680 | - |
| 1Q12 | 31 | - |