1933

7.7

1973

7.3

2004

7.1

2000

6.9

1972

6.2

2005

9.7

1993

7.2

1967

7.5

1964

7.2

1943

7.5

2017

6.1

1957

8.1

2007

6.3

2005

6.0

2010

6.6

1948

7.5

1997

6.2

1982

6.8

1970

7.0

2023

7.9