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30. Commitments (Tables)
 12 Months Ended
Dec. 31, 2017
Commitments Tables  
Commitments
  1 year 1-3 years 3-5 years

More than

5 years

 Total
Contractual obligations – Expenses 1,459,864 1,151,641 381,119 1,216,835 4,209,459
Contractual obligations – Investments 1,779,320 2,121,493 1,031,762 5,970,069 10,902,644
Total 3,239,184 3,273,134 1,412,881 7,186,904 15,112,103