| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 1,641 | -78.9% |
| 1Q23 | 1,642 | -82.5% |
| 4Q22 | 2,118 | -77.9% |
| 3Q22 | 4,196 | -37.2% |
| 2Q22 | 7,760 | +163.6% |
| 1Q22 | 9,400 | +72.1% |
| 4Q21 | 9,576 | +67.2% |
| 3Q21 | 6,680 | +131.6% |
| 2Q21 | 2,944 | +308.9% |
| 1Q21 | 5,463 | - |
| 4Q20 | 5,726 | - |
| 3Q20 | 2,884 | -36.2% |
| 2Q20 | 720 | -42.9% |
| 3Q19 | 4,519 | +137.1% |
| 2Q19 | 1,260 | -77.9% |
| 4Q18 | 717 | -94.3% |
| 3Q18 | 1,906 | -80.3% |
| 2Q18 | 5,714 | -33.4% |
| 1Q18 | 12,511 | +28.2% |
| 4Q17 | 12,576 | +104.3% |
| 3Q17 | 9,685 | +19.2% |
| 2Q17 | 8,578 | +2.3% |
| 1Q17 | 9,762 | +6.0% |
| 4Q16 | 6,156 | -20.0% |
| 3Q16 | 8,124 | -24.2% |
| 2Q16 | 8,387 | -38.8% |
| 1Q16 | 9,211 | -13.2% |
| 4Q15 | 7,691 | -1.2% |
| 3Q15 | 10,713 | +46.1% |
| 2Q15 | 13,699 | +1328.5% |
| 1Q15 | 10,612 | +532.4% |
| 4Q14 | 7,783 | -23.3% |
| 3Q14 | 7,332 | -40.3% |
| 2Q14 | 959 | -94.3% |
| 1Q14 | 1,678 | -90.2% |
| 4Q13 | 10,145 | +10.4% |
| 3Q13 | 12,287 | +128.9% |
| 2Q13 | 16,886 | +290.7% |
| 1Q13 | 17,038 | +349.0% |
| 4Q12 | 9,191 | +2.3% |
| 3Q12 | 5,367 | -40.3% |
| 2Q12 | 4,322 | -63.1% |
| 1Q12 | 3,795 | - |
| 4Q11 | 8,981 | - |
| 3Q11 | 8,984 | - |
| 2Q11 | 11,721 | - |