1984

6.1

1982

5.9

2022

4.5

2005

5.4

1898

6.0

1989

7.9

2021

6.2

6.4

1995

7.7

1976

5.9

1968

6.7

2013

6.3

2006

6.6

2017

6.0

1918

6.8

1961

7.8

1986

5.9

2016

9.7

2009

7.3

1988

7.0