1982

7.6

1952

6.7

1987

7.5

2014

6.8

1943

7.5

2002

7.4

2011

6.5

1986

6.3

1986

7.6

2017

6.9

1966

7.2

2012

5.2

1978

7.4

1948

7.0

1928

7.6

1989

7.8

1990

7.7

1984

8.4

2006

7.3

1991

6.8