The following tables show the breakdown of the third-party commitments and contractual obligations as of December 31, 2020 and 2019:

2020	Total		2021		2022 and 2023		2024 and 2025		Subsequent

Corporate debt		993,725		23,648		2,036		450,169		517,872
Loans with credit institutions (project debt)		4,123,856		261,800		583,259		770,507		2,508,290
Notes and bonds (project debt)		1,113,758		50,558		100,911		109,884		852,405
Purchase commitments*		1,709,660		93,791		160,211		172,776		1,282,881
Accrued interest estimate during the useful life of loans		2,309,597		286,724		541,652		468,060		1,013,161

2019	Total		2020		2021 and 2022		2023 and 2024		Subsequent

Corporate debt		723,791		28,706		200,504		200,926		293,655
Loans with credit institutions (project debt)		4,105,915		241,116		504,921		598,837		2,761,041
Notes and bonds (project debt)		746,433		28,304		51,508		56,192		610,429
Purchase commitments*		1,758,147		84,881		186,222		173,622		1,313,422
Accrued interest estimate during the useful life of loans		2,472,070		294,676		549,320		471,535		1,156,539