| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 891 | +6.1% |
| 3Q23 | 817 | +0.7% |
| 2Q23 | 841 | -8.0% |
| 1Q23 | 820 | -5.2% |
| 4Q22 | 840 | +2.2% |
| 3Q22 | 811 | +1.1% |
| 2Q22 | 914 | +11.2% |
| 1Q22 | 865 | -13.5% |
| 4Q21 | 822 | - |
| 3Q21 | 802 | +4.3% |
| 2Q21 | 822 | - |
| 1Q21 | 1,000 | - |
| 3Q20 | 769 | -48.5% |
| 1Q20 | 0 | -100.0% |
| 4Q19 | 1,497 | -73.7% |
| 3Q19 | 1,493 | -88.1% |
| 2Q19 | 1,483 | -88.2% |
| 1Q19 | 4,190 | -72.2% |
| 4Q18 | 5,701 | -80.7% |
| 3Q18 | 12,585 | -63.2% |
| 2Q18 | 12,580 | -73.3% |
| 1Q18 | 15,091 | -78.9% |
| 4Q17 | 29,600 | -66.2% |
| 3Q17 | 34,198 | -63.9% |
| 2Q17 | 47,054 | -56.4% |
| 1Q17 | 71,487 | -38.5% |
| 4Q16 | 87,571 | +58.8% |
| 3Q16 | 94,655 | - |
| 2Q16 | 107,933 | - |
| 1Q16 | 116,197 | - |
| 4Q15 | 55,135 | - |