| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q21 | 56,860 | +385.0% |
| 2Q21 | 48,484 | +334.9% |
| 1Q21 | 23,479 | +110.6% |
| 4Q20 | 17,566 | +57.6% |
| 3Q20 | 11,723 | +4.7% |
| 2Q20 | 11,148 | -0.4% |
| 1Q20 | 11,148 | +0.8% |
| 4Q19 | 11,148 | - |
| 3Q19 | 11,193 | - |
| 2Q19 | 11,193 | +1881.1% |
| 1Q19 | 11,056 | +769.2% |
| 4Q18 | 0 | -100.0% |
| 3Q18 | 0 | -100.0% |
| 2Q18 | 565 | -37.4% |
| 1Q18 | 1,272 | +70.5% |
| 4Q17 | 1,390 | -1.7% |
| 3Q17 | 923 | +34.7% |
| 2Q17 | 903 | +17.9% |
| 1Q17 | 746 | -52.4% |
| 4Q16 | 1,414 | -43.1% |
| 3Q16 | 685 | -83.3% |
| 2Q16 | 766 | -86.2% |
| 1Q16 | 1,567 | -60.3% |
| 4Q15 | 2,485 | -40.3% |
| 3Q15 | 4,095 | +1538.0% |
| 2Q15 | 5,567 | +2126.8% |
| 1Q15 | 3,945 | +1478.0% |
| 4Q14 | 4,160 | - |
| 3Q14 | 250 | - |
| 2Q14 | 250 | - |
| 1Q14 | 250 | - |