1982

7.6

1952

6.7

1904

7.2

1990

6.1

1983

6.5

1990

6.1

1999

6.2

2000

6.7

1951

7.2

1917

7.3

1943

7.5

2019

6.8

1999

6.6

1993

5.8

1996

5.8

1994

5.7

1980

5.3

1981

7.0

2008

5.1

2002

6.3