1932

7.0

1919

6.9

1975

7.5

1952

6.8

1950

8.1

1955

7.5

2017

6.4

1950

8.1

2013

5.3

1951

5.2

1995

6.3

2015

5.8

2004

3.8

1998

6.7

1955

7.2

1968

7.0

1977

7.3

1972

7.4

1990

6.9

2008

6.9