2004

4.3

2002

7.2

1995

7.3

2025

6.5

2005

6.9

2005

6.5

2005

7.2

2020

7.2

1994

7.5

1931

8.3

1989

7.7

1925

8.0

2001

6.8

1994

6.7

2015

4.8

1954

6.9

1945

8.1

1992

6.6

2009

7.1

2006

5.6