2008

7.8

1972

6.4

2011

7.1

2006

6.3

2017

6.4

2016

7.9

1971

7.7

1923

8.5

2017

4.6

2015

8.1

1984

7.0

2020

7.2

2017

5.5

2023

9.8

1991

5.1

2014

4.4

1983

5.8

1949

6.2

1958

6.8

1955

6.1