| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 1Q20 | 73,428 | -57.9% |
| 4Q19 | 173,626 | -22.8% |
| 3Q19 | 192,851 | +78.5% |
| 2Q19 | 242,951 | +122.8% |
| 1Q19 | 174,554 | +2.2% |
| 4Q18 | 224,936 | +20.4% |
| 3Q18 | 108,066 | -4.2% |
| 2Q18 | 109,065 | -12.6% |
| 1Q18 | 170,836 | -18.3% |
| 4Q17 | 186,849 | -13.9% |
| 3Q17 | 112,836 | -50.0% |
| 2Q17 | 124,783 | -44.4% |
| 1Q17 | 209,061 | -18.3% |
| 4Q16 | 217,027 | -16.5% |
| 3Q16 | 225,461 | -25.5% |
| 2Q16 | 224,525 | -14.8% |
| 1Q16 | 255,841 | -8.5% |
| 4Q15 | 259,801 | +40.3% |
| 3Q15 | 302,618 | +24.1% |
| 2Q15 | 263,405 | -0.3% |
| 1Q15 | 279,458 | -20.0% |
| 4Q14 | 185,123 | -57.9% |
| 3Q14 | 243,794 | -69.4% |
| 2Q14 | 264,269 | -58.5% |
| 1Q14 | 349,340 | -51.1% |
| 4Q13 | 439,291 | -23.8% |
| 3Q13 | 797,784 | +25.9% |
| 2Q13 | 636,174 | +62.5% |
| 1Q13 | 714,274 | +57.8% |
| 4Q12 | 576,678 | +61.6% |
| 3Q12 | 633,614 | +380.3% |
| 2Q12 | 391,590 | +186.8% |
| 1Q12 | 452,615 | +231.6% |
| 4Q11 | 356,849 | +181.1% |
| 3Q11 | 131,919 | +36.0% |
| 2Q11 | 136,538 | +163.6% |
| 1Q11 | 136,506 | - |
| 4Q10 | 126,966 | - |
| 3Q10 | 96,967 | - |
| 2Q10 | 51,800 | - |