1993

6.7

1931

8.3

2006

7.0

1925

8.0

2018

6.1

2003

1.0

1992

6.7

2006

6.8

2011

4.3

2004

6.9

2014

1.0

1972

5.8

2019

1.0

2006

0.0

1979

7.7

1977

7.7

2013

6.4

2020

6.9

1952

7.1

2022

7.5