| （単位：千ドル） | 株主資本 | 前年比（％） |
|---|---|---|
| 4Q21 | 22,159 | -30.0% |
| 3Q21 | 22,144 | -35.5% |
| 2Q21 | 30,208 | -15.4% |
| 1Q21 | 30,956 | -20.8% |
| 4Q20 | 31,661 | -23.1% |
| 3Q20 | 34,325 | -30.1% |
| 2Q20 | 35,719 | -29.7% |
| 1Q20 | 39,094 | -25.5% |
| 4Q19 | 41,180 | -21.3% |
| 3Q19 | 49,139 | -7.2% |
| 2Q19 | 50,825 | -2.1% |
| 1Q19 | 52,471 | +1.8% |
| 4Q18 | 52,295 | +0.2% |
| 3Q18 | 52,944 | +0.8% |
| 2Q18 | 51,931 | -3.9% |
| 1Q18 | 51,558 | -13.0% |
| 4Q17 | 52,174 | -21.8% |
| 3Q17 | 52,498 | -26.6% |
| 2Q17 | 54,058 | -28.9% |
| 1Q17 | 59,238 | -25.7% |
| 4Q16 | 66,684 | -19.8% |
| 3Q16 | 71,490 | -25.0% |
| 2Q16 | 76,025 | -38.0% |
| 1Q16 | 79,726 | -41.6% |
| 4Q15 | 83,184 | -40.4% |
| 3Q15 | 95,276 | -28.5% |
| 2Q15 | 122,542 | -6.0% |
| 1Q15 | 136,627 | +6.4% |
| 4Q14 | 139,633 | +6.5% |
| 3Q14 | 133,258 | -21.1% |
| 2Q14 | 130,353 | -24.8% |
| 1Q14 | 128,425 | -28.6% |
| 4Q13 | 131,077 | -29.7% |
| 3Q13 | 168,978 | -12.5% |
| 2Q13 | 173,371 | -2.0% |
| 1Q13 | 179,826 | +2.3% |
| 4Q12 | 186,364 | - |
| 3Q12 | 193,132 | - |
| 2Q12 | 176,897 | - |
| 1Q12 | 175,701 | - |