| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 3,149 | -89.3% |
| 3Q23 | 5,474 | -86.9% |
| 2Q23 | 5,473 | -89.7% |
| 1Q23 | 9,572 | -83.0% |
| 4Q22 | 29,480 | -46.2% |
| 3Q22 | 41,677 | -22.1% |
| 2Q22 | 52,989 | +46.8% |
| 1Q22 | 56,194 | +713.7% |
| 4Q21 | 54,828 | +359.9% |
| 3Q21 | 53,488 | +213.3% |
| 2Q21 | 36,085 | +92.0% |
| 1Q21 | 6,906 | -74.1% |
| 4Q20 | 11,922 | -61.5% |
| 3Q20 | 17,072 | -55.6% |
| 2Q20 | 18,792 | -46.2% |
| 1Q20 | 26,711 | - |
| 4Q19 | 30,978 | - |
| 3Q19 | 38,480 | - |
| 2Q19 | 34,954 | - |