Account receivable

12 Months Ended

Dec. 31, 2011

Account receivable

Account receivable

9Account receivable

Accounts receivable from customers in the steel industry represent 70,36% of receivables at December 31, 2011.

No single customer accounted for more than 10% of total revenues.

Additional allowances for doubtful accounts charged to the statement of income as expenses in 2011, 2010 and 2009 totaled US$2, US$23 and US$48, respectively. We wrote-off US$1 in 2011, US$37 in 2010 and US$8 in 2009.

	As of December 31,
	2011		2010
Customers
Denominated in Brazilian Reais	1,228		1,227
Denominated in other currencies, mainly US dollars	7,382		7,102
	8,610		8,329
Allowance for doubtful accounts	(105	)	(118	)
Total	8,505		8,211