| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 19,000 | -78.9% |
| 3Q23 | 47,000 | -20.9% |
| 2Q23 | 56,000 | -45.5% |
| 1Q23 | 84,043 | -39.9% |
| 4Q22 | 90,184 | -73.7% |
| 3Q22 | 59,414 | -85.6% |
| 2Q22 | 102,756 | -70.6% |
| 1Q22 | 139,889 | -27.3% |
| 4Q21 | 343,213 | +29.1% |
| 3Q21 | 413,806 | +59.6% |
| 2Q21 | 349,316 | +46.4% |
| 1Q21 | 192,330 | -16.0% |
| 4Q20 | 265,800 | +41.4% |
| 3Q20 | 259,277 | +131.4% |
| 2Q20 | 238,643 | +153.5% |
| 1Q20 | 229,027 | +143.1% |
| 4Q19 | 187,921 | +94.6% |
| 3Q19 | 112,060 | +30.3% |
| 2Q19 | 94,146 | +26.2% |
| 1Q19 | 94,207 | +250.8% |
| 4Q18 | 96,551 | +383.6% |
| 3Q18 | 86,023 | +231.0% |
| 2Q18 | 74,608 | +148.6% |
| 1Q18 | 26,856 | +348.2% |
| 4Q17 | 19,964 | - |
| 3Q17 | 25,989 | - |
| 2Q17 | 30,013 | - |
| 1Q17 | 5,992 | - |