| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 55,965 | -82.0% |
| 4Q22 | 63,749 | -79.6% |
| 3Q22 | 72,118 | -77.9% |
| 2Q22 | 67,726 | -79.4% |
| 1Q22 | 311,643 | +7.4% |
| 4Q21 | 312,759 | +10.3% |
| 3Q21 | 326,491 | +30.5% |
| 2Q21 | 328,255 | +37.5% |
| 1Q21 | 290,186 | +41.5% |
| 4Q20 | 283,573 | +78.4% |
| 3Q20 | 250,162 | +51.6% |
| 2Q20 | 238,741 | +57.9% |
| 1Q20 | 205,079 | +28.7% |
| 4Q19 | 158,968 | -7.8% |
| 3Q19 | 165,063 | -5.0% |
| 2Q19 | 151,207 | +13.2% |
| 1Q19 | 159,334 | +18.2% |
| 4Q18 | 172,499 | - |
| 3Q18 | 173,717 | - |
| 2Q18 | 133,547 | +6564.0% |
| 1Q18 | 134,851 | +3337.4% |
| 3Q17 | 0 | -100.0% |
| 2Q17 | 2,004 | -91.1% |
| 1Q17 | 3,923 | -92.3% |
| 4Q16 | 20,631 | -65.7% |
| 3Q16 | 22,327 | +555.9% |
| 2Q16 | 22,393 | +142.7% |
| 1Q16 | 50,629 | +26.7% |
| 4Q15 | 60,072 | -32.7% |
| 3Q15 | 3,404 | -90.8% |
| 2Q15 | 9,228 | -77.1% |
| 1Q15 | 39,952 | +1.4% |
| 4Q14 | 89,243 | +37.5% |
| 3Q14 | 37,115 | - |
| 2Q14 | 40,254 | - |
| 1Q14 | 39,408 | - |
| 4Q13 | 64,910 | +2127.5% |
| 3Q13 | 0 | -100.0% |
| 2Q13 | 0 | -100.0% |
| 1Q13 | 0 | -100.0% |
| 4Q12 | 2,914 | - |
| 3Q12 | 20,092 | - |
| 2Q12 | 8,703 | - |
| 1Q12 | 1,334 | - |