2010

0.0

2005

7.3

1998

5.5

2004

6.6

2016

5.8

2001

6.0

1989

7.5

2002

5.9

1999

6.4

1952

6.7

1998

7.1

2006

6.0

2007

7.6

1995

7.0

2002

7.4

1985

7.2

1996

6.9

2002

6.9

1999

7.0

1996

7.5