| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 37,681 | -11.9% |
| 4Q22 | 37,126 | -21.3% |
| 3Q22 | 38,753 | -14.2% |
| 2Q22 | 39,426 | -14.7% |
| 1Q22 | 42,751 | -14.8% |
| 4Q21 | 47,190 | -26.7% |
| 3Q21 | 45,164 | -28.8% |
| 2Q21 | 46,238 | -25.5% |
| 1Q21 | 50,173 | -15.9% |
| 4Q20 | 64,404 | -12.5% |
| 3Q20 | 63,476 | -16.0% |
| 2Q20 | 62,095 | -22.9% |
| 1Q20 | 59,644 | -29.4% |
| 4Q19 | 73,620 | -7.8% |
| 3Q19 | 75,583 | -26.7% |
| 2Q19 | 80,560 | -12.0% |
| 1Q19 | 84,459 | -13.1% |
| 4Q18 | 79,888 | -33.8% |
| 3Q18 | 103,102 | -16.6% |
| 2Q18 | 91,564 | -24.2% |
| 1Q18 | 97,179 | -16.8% |
| 4Q17 | 120,699 | +13.7% |
| 3Q17 | 123,588 | +11.3% |
| 2Q17 | 120,728 | +31.1% |
| 1Q17 | 116,835 | +53.3% |
| 4Q16 | 106,146 | +42.2% |
| 3Q16 | 111,009 | +56.6% |
| 2Q16 | 92,064 | +7.1% |
| 1Q16 | 76,203 | -7.5% |
| 4Q15 | 74,667 | -14.9% |
| 3Q15 | 70,887 | -33.3% |
| 2Q15 | 85,943 | -9.8% |
| 1Q15 | 82,381 | -25.3% |
| 4Q14 | 87,720 | -15.9% |
| 3Q14 | 106,246 | +2.2% |
| 2Q14 | 95,308 | -3.3% |
| 1Q14 | 110,270 | +14.4% |
| 4Q13 | 104,271 | +18.8% |
| 3Q13 | 103,917 | +27.0% |
| 2Q13 | 98,566 | +47.3% |
| 1Q13 | 96,352 | +41.3% |
| 4Q12 | 87,768 | +55.9% |
| 3Q12 | 81,807 | +45.4% |
| 2Q12 | 66,937 | +26.9% |
| 1Q12 | 68,194 | - |
| 4Q11 | 56,294 | - |
| 3Q11 | 56,270 | - |
| 2Q11 | 52,756 | - |