| （単位：千ドル） | 有利子負債合計 | 前年比（％） |
|---|---|---|
| 1Q20 | 16,294 | -21.2% |
| 4Q19 | 17,375 | -20.0% |
| 3Q19 | 18,462 | -19.0% |
| 2Q19 | 19,613 | -17.7% |
| 1Q19 | 20,670 | -17.0% |
| 4Q18 | 21,728 | -16.3% |
| 3Q18 | 22,785 | -15.7% |
| 2Q18 | 23,842 | -15.1% |
| 1Q18 | 24,899 | -15.7% |
| 4Q17 | 25,956 | -14.0% |
| 3Q17 | 27,013 | -14.8% |
| 2Q17 | 28,071 | -14.5% |
| 1Q17 | 29,531 | -12.9% |
| 4Q16 | 30,184 | -13.8% |
| 3Q16 | 31,718 | +32.7% |
| 2Q16 | 32,813 | +32.1% |
| 1Q16 | 33,906 | +31.5% |
| 4Q15 | 35,000 | +31.0% |
| 3Q15 | 23,909 | -13.6% |
| 2Q15 | 24,847 | -13.1% |
| 1Q15 | 25,784 | -12.7% |
| 4Q14 | 26,722 | +58.4% |
| 3Q14 | 27,659 | +59.6% |
| 2Q14 | 28,597 | +60.8% |
| 1Q14 | 29,534 | +61.9% |
| 4Q13 | 16,867 | +775.3% |
| 3Q13 | 17,327 | +1088.4% |
| 2Q13 | 17,787 | +1001.4% |
| 1Q13 | 18,246 | +930.3% |
| 4Q12 | 1,927 | -24.5% |
| 3Q12 | 1,458 | -30.0% |
| 2Q12 | 1,615 | -27.9% |
| 1Q12 | 1,771 | - |
| 4Q11 | 2,552 | - |
| 3Q11 | 2,083 | - |
| 2Q11 | 2,240 | - |