1972

7.1

1982

5.7

1935

6.5

1966

6.6

1987

5.5

2006

6.4

1987

6.5

1994

5.7

2003

6.0

1948

7.0

1999

5.9

1989

5.0

1970

6.4

1991

5.7

2009

5.4

2019

5.3

1982

7.6

1958

6.6

2019

6.6

2002

6.1