| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q23 | 4,513 | -19.5% |
| 2Q23 | 4,429 | -25.6% |
| 1Q23 | 4,371 | -40.3% |
| 4Q22 | 5,708 | -43.4% |
| 3Q22 | 5,608 | -50.3% |
| 2Q22 | 5,951 | -52.5% |
| 1Q22 | 7,327 | -46.7% |
| 4Q21 | 10,084 | -27.8% |
| 3Q21 | 11,273 | -14.8% |
| 2Q21 | 12,518 | -3.3% |
| 1Q21 | 13,734 | -17.0% |
| 4Q20 | 13,976 | -29.8% |
| 3Q20 | 13,232 | -37.1% |
| 2Q20 | 12,947 | -38.8% |
| 1Q20 | 16,541 | -18.9% |
| 4Q19 | 19,903 | -19.6% |
| 3Q19 | 21,032 | -27.2% |
| 2Q19 | 21,151 | -29.3% |
| 1Q19 | 20,394 | -32.4% |
| 4Q18 | 24,743 | -18.2% |
| 3Q18 | 28,908 | -4.2% |
| 2Q18 | 29,915 | -0.2% |
| 1Q18 | 30,150 | +2.7% |
| 4Q17 | 30,260 | +2.7% |
| 3Q17 | 30,164 | +2.5% |
| 2Q17 | 29,960 | -10.8% |
| 1Q17 | 29,362 | -21.7% |
| 4Q16 | 29,465 | -25.7% |
| 3Q16 | 29,440 | -71.5% |
| 2Q16 | 33,586 | -73.7% |
| 1Q16 | 37,508 | -70.2% |
| 4Q15 | 39,638 | -69.1% |
| 3Q15 | 103,352 | -20.3% |
| 2Q15 | 127,754 | -0.8% |
| 1Q15 | 125,723 | +16.5% |
| 4Q14 | 128,117 | +19.0% |
| 3Q14 | 129,640 | +20.6% |
| 2Q14 | 128,740 | +60.3% |
| 1Q14 | 107,876 | +34.8% |
| 4Q13 | 107,664 | - |
| 3Q13 | 107,512 | - |
| 2Q13 | 80,292 | - |
| 1Q13 | 80,029 | - |