2006

5.6

1951

7.2

1961

7.2

1997

7.9

2001

6.4

2004

6.7

2019

8.1

1985

7.7

2002

6.5

1988

6.2

2002

6.3

1983

8.2

2005

7.7

1982

6.9

2010

5.7

1986

7.6

2005

7.0

2008

8.5

1998

6.0

1950

7.0