1977

6.6

2019

7.1

1973

6.7

1992

7.7

1994

6.2

1958

6.9

1940

7.1

1947

5.9

1944

0.0

2018

6.9

1962

7.5

1989

3.9

2016

4.8

1974

6.1

1953

5.4

1968

6.4

2010

3.6

1963

5.0

2014

4.3

1936

6.5