| （単位：千ドル） | 買掛金 | 前年比（％） |
|---|---|---|
| 4Q21 | 4,546 | -72.9% |
| 3Q21 | 5,426 | -65.1% |
| 2Q21 | 8,703 | -53.8% |
| 1Q21 | 8,799 | -30.7% |
| 4Q20 | 16,752 | +8.6% |
| 3Q20 | 15,543 | +10.7% |
| 2Q20 | 18,831 | +45.3% |
| 1Q20 | 12,690 | -12.4% |
| 4Q19 | 15,431 | -9.4% |
| 3Q19 | 14,038 | +23.9% |
| 2Q19 | 12,960 | -6.3% |
| 1Q19 | 14,485 | +4.7% |
| 4Q18 | 17,036 | +155.9% |
| 3Q18 | 11,334 | +14.2% |
| 2Q18 | 13,834 | +83.1% |
| 1Q18 | 13,829 | +62.0% |
| 4Q17 | 6,658 | -32.5% |
| 3Q17 | 9,926 | -65.7% |
| 2Q17 | 7,557 | -67.1% |
| 1Q17 | 8,538 | -43.4% |
| 4Q16 | 9,862 | - |
| 3Q16 | 28,906 | - |
| 2Q16 | 22,980 | - |
| 1Q16 | 15,089 | - |