| （単位：千ドル） | 買掛金 | 前年比（％） |
|---|---|---|
| 4Q21 | 1,920 | +80.3% |
| 3Q21 | 1,379 | -51.1% |
| 2Q21 | 2,214 | -19.3% |
| 1Q21 | 2,247 | -0.1% |
| 4Q20 | 1,065 | -54.0% |
| 3Q20 | 2,821 | -3.9% |
| 2Q20 | 2,742 | -2.8% |
| 1Q20 | 2,250 | -0.3% |
| 4Q19 | 2,313 | +21.5% |
| 3Q19 | 2,936 | +17.7% |
| 2Q19 | 2,822 | -12.1% |
| 1Q19 | 2,256 | -55.1% |
| 4Q18 | 1,903 | -54.3% |
| 3Q18 | 2,494 | -61.1% |
| 2Q18 | 3,210 | -30.5% |
| 1Q18 | 5,027 | -1.2% |
| 4Q17 | 4,163 | -47.0% |
| 3Q17 | 6,417 | -12.0% |
| 2Q17 | 4,619 | -39.6% |
| 1Q17 | 5,087 | -27.4% |
| 4Q16 | 7,856 | +95.9% |
| 3Q16 | 7,288 | +60.7% |
| 2Q16 | 7,643 | +15.8% |
| 1Q16 | 7,004 | -14.6% |
| 4Q15 | 4,011 | -40.4% |
| 3Q15 | 4,536 | -29.9% |
| 2Q15 | 6,598 | -37.2% |
| 1Q15 | 8,205 | +18.8% |
| 4Q14 | 6,726 | +63.0% |
| 3Q14 | 6,471 | +57.2% |
| 2Q14 | 10,502 | +250.3% |
| 1Q14 | 6,906 | +127.7% |
| 4Q13 | 4,126 | +31.3% |
| 3Q13 | 4,116 | +1.3% |
| 2Q13 | 2,998 | -70.8% |
| 1Q13 | 3,033 | -68.1% |
| 4Q12 | 3,142 | - |
| 3Q12 | 4,063 | - |
| 2Q12 | 10,258 | - |
| 1Q12 | 9,508 | - |