2004

8.1

1959

7.8

2001

5.4

2003

7.4

2001

6.2

1958

7.7

1963

7.1

2006

7.0

1947

6.5

1985

6.1

1973

6.0

1951

7.3

1995

6.7

1938

6.3

2009

5.9

2005

6.1

2022

5.8

2001

6.9

1951

7.0

2018

6.0