| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q20 | 254,000 | +15.5% |
| 4Q19 | 291,000 | +8.6% |
| 3Q19 | 201,000 | -0.5% |
| 2Q19 | 259,000 | -17.3% |
| 1Q19 | 220,000 | -1.8% |
| 4Q18 | 268,000 | +14.0% |
| 3Q18 | 202,000 | -2.4% |
| 2Q18 | 313,000 | +4.3% |
| 1Q18 | 224,000 | +1.8% |
| 4Q17 | 235,000 | -4.1% |
| 3Q17 | 207,000 | -13.0% |
| 2Q17 | 300,000 | +17.6% |
| 1Q17 | 220,000 | -15.1% |
| 4Q16 | 245,000 | +21.9% |
| 3Q16 | 238,000 | +23.3% |
| 2Q16 | 255,000 | -3.4% |
| 1Q16 | 259,000 | +33.5% |
| 4Q15 | 201,000 | +15.5% |
| 3Q15 | 193,000 | +14.2% |
| 2Q15 | 264,000 | +30.0% |
| 1Q15 | 194,000 | -1.5% |
| 4Q14 | 174,000 | -7.9% |
| 3Q14 | 169,000 | -11.1% |
| 2Q14 | 203,000 | +19.4% |
| 1Q14 | 197,000 | -9.6% |
| 4Q13 | 189,000 | -15.2% |
| 3Q13 | 190,000 | +21.0% |
| 2Q13 | 170,000 | -13.3% |
| 1Q13 | 218,000 | +1.4% |
| 4Q12 | 223,000 | -20.1% |
| 3Q12 | 157,000 | -46.6% |
| 2Q12 | 196,000 | -38.8% |
| 1Q12 | 215,000 | -24.0% |
| 4Q11 | 279,000 | +10.3% |
| 3Q11 | 294,000 | -14.3% |
| 2Q11 | 320,000 | +3.2% |
| 1Q11 | 283,000 | - |
| 4Q10 | 253,000 | - |
| 3Q10 | 343,000 | - |
| 2Q10 | 310,000 | - |