Country

2005

2006

2007

2008

2009

2010

US

2896

2881

2806

2671

2957

2922

Canada

2708

2885

2301

2790

2535

2942

Brazil

2230

2379

2813

2816

2636

2947

China

1704

1665

1453

1702

1630

1771

Japan

1679

1612

1639

1779

1581

1615