| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 3Q21 | 513,000 | +68.2% |
| 2Q21 | 546,000 | +73.3% |
| 1Q21 | 557,000 | +76.8% |
| 3Q20 | 305,000 | -56.1% |
| 2Q20 | 315,000 | -54.3% |
| 1Q20 | 315,000 | -48.9% |
| 3Q19 | 694,000 | +13.7% |
| 2Q19 | 690,000 | +13.0% |
| 1Q19 | 617,000 | +6.1% |
| 3Q18 | 610,300 | +9.1% |
| 2Q18 | 610,500 | +15.5% |
| 1Q18 | 581,800 | +9.8% |
| 4Q17 | 547,400 | +9.0% |
| 3Q17 | 559,500 | +9.1% |
| 2Q17 | 528,600 | +3.9% |
| 1Q17 | 530,000 | +8.7% |
| 4Q16 | 502,200 | +9.0% |
| 3Q16 | 512,700 | +16.9% |
| 2Q16 | 508,900 | +16.3% |
| 1Q16 | 487,700 | +15.4% |
| 4Q15 | 460,900 | +14.3% |
| 3Q15 | 438,500 | -4.8% |
| 2Q15 | 437,500 | -6.9% |
| 1Q15 | 422,500 | -4.0% |
| 4Q14 | 403,300 | -0.4% |
| 3Q14 | 460,800 | +14.5% |
| 2Q14 | 469,900 | +19.8% |
| 1Q14 | 440,200 | +16.6% |
| 4Q13 | 405,100 | +5.9% |
| 3Q13 | 402,300 | +5.7% |
| 2Q13 | 392,200 | +7.8% |
| 1Q13 | 377,500 | +9.2% |
| 4Q12 | 382,700 | +10.8% |
| 3Q12 | 380,700 | +7.3% |
| 2Q12 | 363,700 | +8.0% |
| 3Q12 | 345,600 | +8.2% |
| 4Q11 | 345,300 | +12.1% |
| 3Q11 | 354,800 | +14.3% |
| 2Q11 | 336,800 | +16.1% |
| 1Q11 | 319,500 | +20.6% |
| 4Q10 | 307,900 | - |
| 3Q10 | 310,300 | - |
| 2Q10 | 290,000 | - |
| 1Q10 | 264,900 | - |