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Note 40 - Financial Instruments Risks - Evolution of Total VaR (Details) - ARS ($) | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2017
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Average Member |  |  |
Value At Risk LineItems |  |  |
Total Value at Risk | $ 22,860,000 | $ 48,390,000 | $ 15,630,000
Value at Risk per Interest Rate | 19,000,000 | 35,140,000 | 10,630,000
Value at Risk per Exchange Rate | 9,640,000 | 30,500,000 | 9,910,000
Minimum Member |  |  |
Value At Risk LineItems |  |  |
Total Value at Risk | 4,970,000 | 10,290,000 | 2,550,000
Value at Risk per Interest Rate | 3,130,000 | 9,420,000 | 380,000
Value at Risk per Exchange Rate | 280,000 | 990,000 | 410,000
Maximum Member |  |  |
Value At Risk LineItems |  |  |
Total Value at Risk | 97,370,000 | 85,040,000 | 39,600,000
Value at Risk per Interest Rate | 93,760,000 | 57,360,000 | 24,950,000
Value at Risk per Exchange Rate | 37,980,000 | 80,910,000 | 41,170,000
Closing Member |  |  |
Value At Risk LineItems |  |  |
Total Value at Risk | 49,360,000 | 43,330,000 | 27,350,000
Value at Risk per Interest Rate | 49,900,000 | 43,380,000 | 13,350,000
Value at Risk per Exchange Rate | $ 2,650,000 | $ 1,660,000 | $ 24,700,000

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