2001

6.5

1999

7.4

1968

7.1

1937

4.6

2001

7.0

1949

6.9

2019

4.3

1939

7.9

2004

5.4

1962

7.2

2004

6.7

2017

6.0

2008

6.8

2006

5.8

2005

7.0

2007

7.5

2005

7.2

2003

6.3

1996

6.1

2024

5.3