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5. FINANCIAL INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2018
Financial Investments Tables Abstract  
FINANCIAL INVESTMENTS

 

        Consolidated
    Current    Non-Current
    12/31/2018   12/31/2017   12/31/2018
CDB - Certificate of bank deposit   882,376   716,218    
Government securities (2)   13,337   19,494    
Time Deposit (3)           7,772
    895,713   735,712   7,772