1966

6.1

1985

7.2

1957

8.1

1994

4.8

1988

5.5

1955

7.0

1984

7.2

1962

7.6

1923

6.8

1937

6.7

1956

7.1

1950

8.1

1960

6.4

1973

6.9

1946

7.6

2019

7.7

1966

7.8

1995

5.4

1999

5.1

2012

6.2