| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q25 | 2,400 | -4.0% |
| 4Q24 | 3,400 | +54.5% |
| 3Q24 | 4,800 | +152.6% |
| 2Q24 | 2,600 | +36.8% |
| 1Q24 | 2,500 | 0.0% |
| 4Q23 | 2,200 | -31.3% |
| 3Q23 | 1,900 | -47.2% |
| 2Q23 | 1,900 | -70.8% |
| 1Q23 | 2,500 | -41.9% |
| 4Q22 | 3,200 | -23.8% |
| 3Q22 | 3,600 | - |
| 2Q22 | 6,500 | - |
| 1Q22 | 4,300 | - |
| 4Q21 | 4,200 | - |
| 2Q18 | 8,300 | +59.6% |
| 1Q18 | 10,500 | +84.2% |
| 4Q17 | 10,700 | +78.3% |
| 3Q17 | 4,300 | +7.5% |
| 2Q17 | 5,200 | +92.6% |
| 1Q17 | 5,700 | +171.4% |
| 4Q16 | 6,000 | +150.0% |
| 3Q16 | 4,000 | +21.2% |
| 2Q16 | 2,700 | - |
| 1Q16 | 2,100 | - |
| 4Q15 | 2,400 | -78.4% |
| 3Q15 | 3,300 | -70.8% |
| 4Q14 | 11,100 | -63.5% |
| 3Q14 | 11,300 | -67.2% |
| 2Q14 | 11,100 | -53.4% |
| 1Q14 | 15,300 | -44.8% |
| 4Q13 | 30,400 | +40.7% |
| 3Q13 | 34,500 | -54.4% |
| 2Q13 | 23,800 | -65.8% |
| 1Q13 | 27,700 | -68.6% |
| 4Q12 | 21,600 | -78.0% |
| 3Q12 | 75,600 | -20.3% |
| 2Q12 | 69,600 | -34.6% |
| 1Q12 | 88,100 | - |
| 4Q11 | 98,400 | - |
| 3Q11 | 94,800 | - |
| 2Q11 | 106,400 | - |