2014

5.9

1951

6.1

2008

7.7

1986

6.8

1994

6.2

1976

7.3

1991

7.7

1984

7.0

1950

7.0

1981

7.0

1974

7.0

1977

7.0

1959

6.9

2010

7.0

2017

6.8

1987

7.0

1982

7.3

2003

7.2

1980

7.8

2004

6.1