2012

7.7

2018

6.0

1990

6.0

2016

6.2

1948

7.0

1991

7.6

2004

6.1

2024

7.1

2019

7.5

2023

6.6

1995

5.9

1989

6.1

1963

7.1

2008

7.5

1976

7.3

2010

8.4

2019

7.6

1984

7.1

1969

7.1

2011

6.7