1982

6.6

2006

6.4

1980

7.5

2013

4.2

2016

7.3

1978

8.0

1965

7.4

1995

6.7

1927

8.1

2005

6.5

1930

7.3

1920

7.9

1964

7.1

2025

0.0

2018

7.7

2023

0.0

2006

5.5

2007

7.3

2019

7.0

2008

5.9