| （単位：ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 1Q22 | 707,000 | +105.5% |
| 1Q21 | 344,000 | -6.0% |
| 1Q20 | 366,000 | +32.1% |
| 1Q19 | 277,000 | -15.3% |
| 1Q18 | 327,000 | -18.7% |
| 1Q17 | 402,000 | -25.4% |
| 1Q16 | 539,000 | +26.8% |
| 1Q15 | 425,000 | +936.6% |
| 3Q14 | 206,000 | +329.2% |
| 2Q14 | 40,000 | -32.2% |
| 1Q14 | 41,000 | -32.8% |
| 3Q13 | 48,000 | -29.4% |
| 2Q13 | 59,000 | - |
| 1Q13 | 61,000 | -23.8% |
| 3Q12 | 68,000 | -38.7% |
| 1Q12 | 80,000 | - |
| 3Q11 | 111,000 | - |
| 2Q11 | 122,000 | - |