Note 20.- Other operating income and expenses

The table below shows the detail of Other operating income and expenses for the three-month periods ended March 31, 2021, and 2020:

Other Operating income	For the three-month period ended March 31,
	2021		2020
	($ in thousands)
Grants (Note 16)		14,715		14,751
Insurance proceeds and other		6,518		14,787
Total		21,233		29,538

Other Operating expenses	For the three-month period ended March 31,
	2021			2020
	($ in thousands)
Raw materials and consumables used		(1,932	)		(2,208	)
Leases and fees		(654	)		(660	)
Operation and maintenance		(37,117	)		(26,791	)
Independent professional services		(7,634	)		(10,444	)
Supplies		(6,005	)		(5,587	)
Insurance		(10,515	)		(9,204	)
Levies and duties		(9,666	)		(8,904	)
Other expenses		(1,747	)		(2,017	)
Total		(75,270	)		(65,815	)