| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q23 | 682 | -30.5% |
| 2Q23 | 682 | -48.6% |
| 1Q23 | 682 | -69.2% |
| 4Q22 | 682 | -70.9% |
| 3Q22 | 981 | -86.6% |
| 2Q22 | 1,326 | -85.6% |
| 1Q22 | 2,211 | -66.7% |
| 4Q21 | 2,345 | -64.1% |
| 3Q21 | 7,300 | +4.1% |
| 2Q21 | 9,200 | +24.8% |
| 1Q21 | 6,643 | -17.9% |
| 4Q20 | 6,536 | -22.2% |
| 3Q20 | 7,015 | +317.1% |
| 2Q20 | 7,372 | +58.8% |
| 1Q20 | 8,096 | +33.5% |
| 4Q19 | 8,402 | +171.7% |
| 3Q19 | 1,682 | -75.0% |
| 2Q19 | 4,641 | -38.2% |
| 1Q19 | 6,065 | -19.3% |
| 4Q18 | 3,092 | +126.3% |
| 3Q18 | 6,731 | - |
| 2Q18 | 7,513 | - |
| 1Q18 | 7,513 | - |
| 4Q17 | 1,366 | - |