1985

6.1

2004

7.9

1989

5.2

2021

9.2

2013

7.5

2003

5.7

1986

5.8

2008

6.7

1997

6.1

1945

8.0

2005

6.9

2003

6.2

2003

6.2

2009

4.1

2001

6.0

1979

7.3

1989

6.2

2016

8.0

1993

7.5

1985

6.2