| Period Ending | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
| Net Income | -95,306 | -204,969 | -4,456 | 114,627 |
| Operating Activities, Cash Flows Provided By or Used In |
| Depreciation | 60,695 | 100,669 | 90,889 | 82,610 |
| Adjustments To Net Income | 10,818 | 120,780 | 33,092 | -8,337 |
| Changes In Accounts Receivables | -120 | -4,403 | 10,096 | -11,755 |
| Changes In Liabilities | -7,112 | 1,072 | 668 | -3,869 |
| Changes In Inventories | -2,265 | 18,103 | -4,300 | -387 |
| Changes In Other Operating Activities | 1,837 | -904 | 415 | 262 |
| Total Cash Flow From Operating Activities | -16,103 | 31,741 | 127,786 | 174,391 |
| Investing Activities, Cash Flows Provided By or Used In |
| Capital Expenditure | -4,870 | -37,567 | -188,494 | -187,476 |
| Investments | - | -10,000 | -10,000 | -9,508 |
| Other Cash flows from Investing Activities | 300 | 1,041 | 1,685 | 4,227 |
| Total Cash Flows From Investing Activities | 85,054 | -46,526 | -186,809 | -192,423 |
| Financing Activities, Cash Flows Provided By or Used In |
| Dividends Paid | -9,936 | -54,226 | -125,650 | -123,071 |
| Sale Purchase of Stock | - | - | - | - |
| Net Borrowings | -68,098 | -55,359 | 117,000 | 80,000 |
| Other Cash Flows from Financing Activities | - | -13,125 | -130 | -4,640 |
| Total Cash Flows From Financing Activities | -78,034 | -18,962 | 111,288 | -47,711 |
| Effect Of Exchange Rate Changes | 51 | -64 | 15 | -104 |
| Change In Cash and Cash Equivalents | -9,032 | -23,811 | 52,281 | -70,847 |