| （単位：千ドル） | 買掛金 | 前年比（％） |
|---|---|---|
| 4Q18 | 191,800 | +14.7% |
| 3Q18 | 147,400 | -23.2% |
| 2Q18 | 134,300 | -4.5% |
| 1Q18 | 157,300 | +17.3% |
| 4Q17 | 167,200 | +25.5% |
| 3Q17 | 191,900 | +55.0% |
| 2Q17 | 140,600 | +24.4% |
| 1Q17 | 134,100 | +20.1% |
| 4Q16 | 133,200 | +14.9% |
| 3Q16 | 123,800 | +5.0% |
| 2Q16 | 113,000 | +20.9% |
| 1Q16 | 111,700 | +2.6% |
| 4Q15 | 115,900 | -0.3% |
| 3Q15 | 117,900 | -5.5% |
| 2Q15 | 93,500 | -3.2% |
| 1Q15 | 108,900 | -1.4% |
| 4Q14 | 116,300 | -18.7% |
| 3Q14 | 124,800 | -4.1% |
| 2Q14 | 96,600 | -1.1% |
| 1Q14 | 110,500 | +24.3% |
| 4Q13 | 143,100 | +40.0% |
| 3Q13 | 130,200 | +21.6% |
| 2Q13 | 97,700 | +5.5% |
| 1Q13 | 88,900 | -4.9% |
| 4Q12 | 102,200 | -14.1% |
| 3Q12 | 107,100 | -2.5% |
| 2Q12 | 92,600 | +21.0% |
| 1Q12 | 93,500 | +32.6% |
| 4Q11 | 119,000 | - |
| 3Q11 | 109,800 | - |
| 2Q11 | 76,500 | - |
| 1Q11 | 70,500 | - |