| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 12,655 | -29.5% |
| 4Q22 | 24,716 | -22.7% |
| 3Q22 | 3,969 | -91.8% |
| 2Q22 | 6,311 | -90.6% |
| 1Q22 | 17,953 | -74.8% |
| 4Q21 | 31,971 | -66.4% |
| 3Q21 | 48,499 | -67.3% |
| 2Q21 | 67,137 | -58.5% |
| 1Q21 | 71,334 | -56.4% |
| 4Q20 | 95,014 | -36.9% |
| 3Q20 | 148,502 | +2.5% |
| 2Q20 | 161,635 | +16.7% |
| 1Q20 | 163,634 | +38.3% |
| 4Q19 | 150,487 | +32.4% |
| 3Q19 | 144,815 | +32.2% |
| 2Q19 | 138,536 | +25.1% |
| 1Q19 | 118,303 | +9.7% |
| 4Q18 | 113,649 | -5.3% |
| 3Q18 | 109,543 | -9.5% |
| 2Q18 | 110,751 | -6.3% |
| 1Q18 | 107,831 | +5.9% |
| 4Q17 | 119,971 | +16.0% |
| 3Q17 | 121,095 | +24.0% |
| 2Q17 | 118,208 | +51.6% |
| 1Q17 | 101,802 | +43.3% |
| 4Q16 | 103,404 | +21.1% |
| 3Q16 | 97,692 | +25.9% |
| 2Q16 | 77,967 | -3.9% |
| 1Q16 | 71,018 | -7.6% |
| 4Q15 | 85,381 | +20.9% |
| 3Q15 | 77,581 | +3.7% |
| 2Q15 | 81,120 | +4.4% |
| 1Q15 | 76,840 | +19.2% |
| 4Q14 | 70,639 | -3.6% |
| 3Q14 | 74,830 | +7.2% |
| 2Q14 | 77,677 | +20.1% |
| 1Q14 | 64,474 | -7.2% |
| 4Q13 | 73,241 | -5.1% |
| 3Q13 | 69,811 | -21.2% |
| 2Q13 | 64,694 | -17.9% |
| 1Q13 | 69,473 | -35.0% |
| 4Q12 | 77,152 | - |
| 3Q12 | 88,572 | - |
| 2Q12 | 78,782 | - |
| 1Q12 | 106,883 | - |