| （単位：千ドル） | 買掛金 | 前年比（％） |
|---|---|---|
| 1Q19 | 79,000 | -67.8% |
| 4Q18 | 66,000 | -74.2% |
| 3Q18 | 147,000 | -66.0% |
| 2Q18 | 197,000 | -70.6% |
| 1Q18 | 245,000 | -66.9% |
| 4Q17 | 256,000 | -45.3% |
| 3Q17 | 432,000 | +10.2% |
| 2Q17 | 670,000 | +15.5% |
| 1Q17 | 740,000 | +16.7% |
| 4Q16 | 468,000 | +18.8% |
| 3Q16 | 392,000 | +12.6% |
| 2Q16 | 580,000 | +5.1% |
| 1Q16 | 634,000 | +10.1% |
| 4Q15 | 394,000 | +2.3% |
| 3Q15 | 348,000 | +12.3% |
| 2Q15 | 552,000 | +5.1% |
| 1Q15 | 576,000 | -4.3% |
| 4Q14 | 385,000 | +6.9% |
| 3Q14 | 310,000 | +0.3% |
| 2Q14 | 525,000 | +9.1% |
| 1Q14 | 602,000 | +19.7% |
| 4Q13 | 360,000 | +17.3% |
| 3Q13 | 309,000 | +13.6% |
| 2Q13 | 481,000 | +15.6% |
| 1Q13 | 503,000 | +9.3% |
| 4Q12 | 307,000 | +10.4% |
| 3Q12 | 272,000 | +23.1% |
| 2Q12 | 416,000 | +8.1% |
| 1Q12 | 460,000 | -6.7% |
| 4Q11 | 278,000 | +1.5% |
| 3Q11 | 221,000 | +2.8% |
| 2Q11 | 385,000 | +16.0% |
| 1Q11 | 493,000 | - |
| 4Q10 | 274,000 | - |
| 3Q10 | 215,000 | - |
| 2Q10 | 332,000 | - |