World Galvalume production history 2009

Global annual 55% Al-Zn sheet steel production output (in short tons) is shown in the attachment (through to December 2009). Source: http://galvalume.com/

55% aluminum zinc alloy coated sheet steel is perhaps better known as Galvalume. 

Galvalume ® is a registered trademark belonging to BIEC International Inc.

For production chart, see the attachment.