1972

7.2

1941

7.1

1989

7.6

1998

5.5

2016

6.7

2013

7.9

2020

5.8

1996

7.9

2017

6.3

2023

7.7

2008

7.4

2017

6.3

1990

5.7

1957

8.2

2008

7.8

2015

6.2

2010

6.6

1979

6.1

2008

7.3

2006

7.8