1926

6.8

2012

7.0

2007

6.5

2018

6.0

1983

3.8

1982

4.3

2014

5.3

1949

0.0

2014

7.8

1958

5.8

1990

4.2

1977

5.0

1989

5.3

1979

6.3

1965

5.8