2007

4.0

1938

7.0

1998

5.5

2008

4.9

1988

5.3

1999

6.4

2013

5.3

2009

5.9

1989

6.0

2013

5.3

1934

6.3

2008

5.8

1996

6.1

2000

6.8

1993

7.8

2002

6.0

1994

6.0

1994

6.5

2007

6.4

1984

7.5