| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 475 | -97.5% |
| 4Q22 | 3,578 | -82.0% |
| 3Q22 | 5,001 | -80.9% |
| 2Q22 | 11,029 | -53.1% |
| 1Q22 | 19,175 | -19.2% |
| 4Q21 | 19,933 | -60.5% |
| 3Q21 | 26,141 | -56.5% |
| 2Q21 | 23,516 | -64.4% |
| 1Q21 | 23,720 | -61.2% |
| 4Q20 | 50,464 | +201.0% |
| 3Q20 | 60,133 | +719.1% |
| 2Q20 | 66,107 | +727.6% |
| 1Q20 | 61,139 | +1028.9% |
| 4Q19 | 16,763 | - |
| 3Q19 | 7,341 | - |
| 2Q19 | 7,988 | - |
| 1Q19 | 5,416 | - |