| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q22 | 21,251 | -29.3% |
| 2Q22 | 20,027 | -33.9% |
| 1Q22 | 24,925 | -6.9% |
| 4Q21 | 27,055 | +16.6% |
| 3Q21 | 30,040 | +32.9% |
| 2Q21 | 30,292 | +35.3% |
| 1Q21 | 26,786 | -18.2% |
| 4Q20 | 23,197 | -26.9% |
| 3Q20 | 22,610 | -31.9% |
| 2Q20 | 22,392 | -41.6% |
| 1Q20 | 32,741 | -11.4% |
| 4Q19 | 31,734 | -25.5% |
| 3Q19 | 33,194 | -29.6% |
| 2Q19 | 38,310 | -4.8% |
| 1Q19 | 36,951 | -0.8% |
| 4Q18 | 42,609 | +5.6% |
| 3Q18 | 47,121 | +19.8% |
| 2Q18 | 40,241 | +12.6% |
| 1Q18 | 37,251 | +26.8% |
| 4Q17 | 40,362 | +18.6% |
| 3Q17 | 39,342 | +28.7% |
| 2Q17 | 35,747 | +15.6% |
| 1Q17 | 29,386 | +35.1% |
| 4Q16 | 34,036 | +24.2% |
| 3Q16 | 30,578 | -14.1% |
| 2Q16 | 30,924 | -22.0% |
| 1Q16 | 21,745 | -39.5% |
| 4Q15 | 27,415 | -38.2% |
| 3Q15 | 35,591 | -6.6% |
| 2Q15 | 39,653 | -0.1% |
| 1Q15 | 35,954 | +0.1% |
| 4Q14 | 44,355 | -2.6% |
| 3Q14 | 38,115 | -1.7% |
| 2Q14 | 39,705 | +23.3% |
| 1Q14 | 35,902 | -4.5% |
| 4Q13 | 45,531 | +17.2% |
| 3Q13 | 38,789 | +25.4% |
| 2Q13 | 32,203 | +10.8% |
| 1Q13 | 37,596 | +21.0% |
| 4Q12 | 38,841 | +29.5% |
| 3Q12 | 30,941 | -13.7% |
| 2Q12 | 29,057 | - |
| 1Q12 | 31,080 | - |
| 4Q11 | 29,991 | - |
| 3Q11 | 35,833 | - |