| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q23 | 4,387 | -29.0% |
| 2Q23 | 8,027 | +39.1% |
| 1Q23 | 7,692 | +29.5% |
| 4Q22 | 5,588 | -39.1% |
| 3Q22 | 6,175 | -27.7% |
| 2Q22 | 5,772 | -40.0% |
| 1Q22 | 5,939 | -11.7% |
| 4Q21 | 9,173 | +36.4% |
| 3Q21 | 8,539 | +244.3% |
| 2Q21 | 9,622 | +288.0% |
| 1Q21 | 6,725 | +171.2% |
| 4Q20 | 6,725 | +171.2% |
| 3Q20 | 2,480 | 0.0% |
| 2Q20 | 2,480 | 0.0% |
| 1Q20 | 2,480 | 0.0% |
| 4Q19 | 2,480 | 0.0% |
| 3Q19 | 2,480 | 0.0% |
| 2Q19 | 2,480 | 0.0% |
| 1Q19 | 2,480 | 0.0% |
| 4Q18 | 2,480 | 0.0% |
| 3Q18 | 2,480 | - |
| 2Q18 | 2,480 | - |
| 1Q18 | 2,480 | - |
| 4Q17 | 2,480 | - |