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Note 7 - Risk Management -Internal Rating Exposure (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Subject to 12 month ECL [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 89,9 | 91,0 | 91,7
Subject to 12 month ECL [Member] | 0 to 2 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 4,0 | 5,5 | 9,6
Subject to 12 month ECL [Member] | 2 to 5 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 10,2 | 6,3 | 10,8
Subject to 12 month ECL [Member] | 5 to 11 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 7,7 | 14,6 | 6,3
Subject to 12 month ECL [Member] | 11 to 39 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 26,8 | 24,5 | 20,9
Subject to 12 month ECL [Member] | 39 to 194 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 24,0 | 24,5 | 30,1
Subject to 12 month ECL [Member] | 194 to 1.061 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 15,1 | 14,0 | 12,2
Subject to 12 month ECL [Member] | 1.061 to 2.121 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 1,5 | 1,4 | 1,6
Subject to 12 month ECL [Member] | 2.121 to 4.243 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 0,6 | 0,4 | 0,2
Subject to life time ECL [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 10,1 | 9,0 | 8,3
Subject to life time ECL [Member] | 0 to 2 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | - | - | -
Subject to life time ECL [Member] | 2 to 5 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 0,1 | - | 0,1
Subject to life time ECL [Member] | 5 to 11 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 0,1 | 0,2 | -
Subject to life time ECL [Member] | 11 to 39 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 0,5 | 0,8 | 0,4
Subject to life time ECL [Member] | 39 to 194 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 2,3 | 1,6 | 1,8
Subject to life time ECL [Member] | 194 to 1.061 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 3,4 | 3,6 | 3,6
Subject to life time ECL [Member] | 1.061 to 2.121 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 1,2 | 1,2 | 1,2
Subject to life time ECL [Member] | 2.121 to 4.243 [Member] |  |  |
Disclosure of probability of default Line Items |  |  |
Abridged Scale | 2,5 | 1,5 | 1,2

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