| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q25 | 58,900 | +63.6% |
| 3Q25 | 35,000 | -2.8% |
| 2Q25 | 37,000 | +5.7% |
| 1Q25 | 37,000 | +5.7% |
| 4Q24 | 36,000 | +5.9% |
| 3Q24 | 36,000 | +24.1% |
| 2Q24 | 35,000 | +20.7% |
| 1Q24 | 35,000 | +16.7% |
| 4Q23 | 34,000 | +13.3% |
| 3Q23 | 29,000 | -3.3% |
| 2Q23 | 29,000 | -23.7% |
| 1Q23 | 30,000 | -18.9% |
| 4Q22 | 30,000 | -18.9% |
| 3Q22 | 30,000 | -9.1% |
| 2Q22 | 38,000 | - |
| 1Q22 | 37,000 | +12.1% |
| 4Q21 | 37,000 | +15.6% |
| 3Q21 | 33,000 | - |
| 1Q21 | 33,000 | - |
| 4Q20 | 32,000 | -41.8% |
| 4Q19 | 55,000 | 0.0% |
| 4Q18 | 55,000 | -79.6% |
| 4Q17 | 269,000 | +36.5% |
| 4Q16 | 197,000 | -37.7% |
| 4Q15 | 316,000 | +145.0% |
| 4Q14 | 129,000 | -41.6% |
| 4Q13 | 221,000 | -34.4% |
| 4Q12 | 337,000 | - |