2004

2005

2006

2007

2008

2009

JPN

10,625

9250

8291

9991

10,955

10,763

USA

7245

6930

7632

6600

10,304

8263

CHN

14,608

13,923

15,882

18,077

19,438

23,424

BRA

1536

2003

1750

1546

1917

1903

2010

2011

2012

2013

2014

JPN

8414

12,594

11,558

9878

7914

USA

9950

5751

6094

10,413

7889

CHN

21,667

23,538

28,583

32,989

34,399

BRA

1959

1905

1576

1416

1441