2013

5.1

1966

6.3

2010

7.2

1975

6.9

2000

7.7

1968

5.7

1967

6.5

1996

5.7

1989

6.5

2020

6.7

1998

5.2

2004

6.2

2017

8.0

1944

6.0

1955

7.2

1995

6.7

2021

6.1

2008

7.5

2023

7.3

2012

4.5