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The following table shows amortization and funding during the year: (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Opening balance |  | R$ 35,270,653 | R$ 27,967,036 |
New debts |  | 12,915,332 | 8,116,247 |
Repayment |  | (17,639,178) | (6,448,658) | R$ (11,775,093)
Payments of charges |  | (2,137,782) | (1,922,130) |
Accrued charges (note 29) |  | 2,140,961 | 2,002,052 |
Acquisition of Elizabeth |  | 372,123 |  |
Others | [1] | 1,585,413 | 5,556,106 |
Closing balance |  | R$ 32,507,522 | R$ 35,270,653 | R$ 27,967,036
[1] | Including unrealized exchange and monetary variations and funding cost.

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