1959

7.8

2003

6.2

1995

5.8

2018

6.1

2005

4.8

1955

7.2

1975

7.5

1932

6.9

1947

6.2

1954

7.2

1955

7.3

1957

7.2

1937

6.6

1985

6.9

2012

6.6

2010

5.0

1960

6.8

2025

5.6

1980

5.0

1968

5.0