1992

6.8

1952

6.3

1940

7.9

1941

7.0

2000

6.1

1986

7.0

2003

7.3

2001

6.7

1955

7.2

1984

6.6

1968

7.6

1968

7.1

1895

5.6

1931

7.3

2008

6.4

1941

7.0

1965

7.4

2013

5.8

2018

6.5

1947

7.6