1989

5.0

1956

7.9

2001

6.7

1961

8.1

2012

6.1

2005

6.9

2018

7.0

1986

7.5

2007

7.0

2008

7.3

1930

7.3

1964

7.0

1973

7.1

1954

7.9

1976

7.8

1980

6.4

1960

8.1

1972

7.8

1985

6.2