| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 6,200 | -92.1% |
| 1Q23 | 30,400 | -57.1% |
| 4Q22 | 54,800 | -7.1% |
| 3Q22 | 66,000 | +38.9% |
| 2Q22 | 78,500 | +294.5% |
| 1Q22 | 70,800 | +495.0% |
| 4Q21 | 59,000 | +59.5% |
| 3Q21 | 47,500 | +57.3% |
| 2Q21 | 19,900 | -46.2% |
| 1Q21 | 11,900 | -72.2% |
| 1Q21 | 30,200 | -41.4% |
| 4Q20 | 37,000 | -32.6% |
| 3Q20 | 42,800 | +6.2% |
| 2Q20 | 47,600 | +59.2% |
| 1Q20 | 51,500 | +112.8% |
| 4Q19 | 54,900 | +78.8% |
| 3Q19 | 40,300 | -21.4% |
| 2Q19 | 29,900 | -48.9% |
| 1Q19 | 24,200 | -51.7% |
| 4Q18 | 30,700 | -36.7% |
| 3Q18 | 51,300 | -3.9% |
| 2Q18 | 58,500 | +5.4% |
| 1Q18 | 50,100 | -4.0% |
| 4Q17 | 48,500 | -39.3% |
| 3Q17 | 53,400 | -23.4% |
| 2Q17 | 55,500 | -16.2% |
| 1Q17 | 52,200 | +21.1% |
| 4Q16 | 79,900 | +96.8% |
| 3Q16 | 69,700 | +69.2% |
| 2Q16 | 66,200 | +56.5% |
| 1Q16 | 43,100 | -20.3% |
| 4Q15 | 40,600 | -51.7% |
| 3Q15 | 41,200 | -37.2% |
| 2Q15 | 42,300 | -68.7% |
| 1Q15 | 54,073 | -65.9% |
| 4Q14 | 84,124 | -47.0% |
| 3Q14 | 65,555 | -48.0% |
| 2Q14 | 135,187 | +23.3% |
| 1Q14 | 158,566 | +35.4% |
| 4Q13 | 158,748 | +39.6% |
| 3Q13 | 126,120 | -2.5% |
| 2Q13 | 109,636 | +41.2% |
| 1Q13 | 117,125 | +124.5% |
| 4Q12 | 113,692 | +60.5% |
| 3Q12 | 129,346 | +43.3% |
| 2Q12 | 77,629 | -24.7% |
| 1Q12 | 52,182 | -34.8% |
| 4Q11 | 70,857 | - |
| 3Q11 | 90,267 | - |
| 2Q11 | 103,106 | - |
| 1Q11 | 80,064 | - |