| （単位：千ドル） | 減価償却費 | 前年比（％） |
|---|---|---|
| 1Q20 | 144,000 | -5.9% |
| 4Q19 | 152,000 | -10.1% |
| 3Q19 | 151,000 | -12.7% |
| 2Q19 | 152,000 | -14.1% |
| 1Q19 | 153,000 | -15.5% |
| 4Q18 | 169,000 | -13.8% |
| 3Q18 | 173,000 | -16.4% |
| 2Q18 | 177,000 | -20.3% |
| 1Q18 | 181,000 | -23.3% |
| 4Q17 | 196,000 | -24.9% |
| 3Q17 | 207,000 | -21.9% |
| 2Q17 | 222,000 | -19.6% |
| 1Q17 | 236,000 | -20.8% |
| 4Q16 | 261,000 | -12.4% |
| 3Q16 | 265,000 | -8.0% |
| 2Q16 | 276,000 | -5.5% |
| 1Q16 | 298,000 | +0.7% |
| 4Q15 | 298,000 | +2.8% |
| 3Q15 | 288,000 | +2.9% |
| 2Q15 | 292,000 | -7.3% |
| 1Q15 | 296,000 | -2.0% |
| 4Q14 | 290,000 | +44.9% |
| 3Q14 | 280,000 | +43.0% |
| 2Q14 | 315,000 | +61.9% |
| 1Q14 | 302,000 | +57.2% |
| 4Q13 | 200,071 | +5.7% |
| 3Q13 | 195,841 | +7.5% |
| 2Q13 | 194,605 | +8.2% |
| 1Q13 | 192,158 | +10.2% |
| 4Q12 | 189,196 | +10.2% |
| 3Q12 | 182,207 | - |
| 2Q12 | 179,801 | - |
| 1Q12 | 174,354 | +8.1% |
| 4Q11 | 171,748 | +8.9% |
| 1Q11 | 161,318 | - |
| 4Q10 | 157,660 | - |
| 3Q10 | 151,119 | - |