2018

6.3

1999

5.1

1972

6.4

1953

7.2

2008

6.7

7.1

1991

5.7

2023

6.8

2003

6.8

1960

7.3

2006

7.8

2005

5.3

1985

6.9

2021

6.2

1993

6.5

2017

7.3

2004

6.0

1996

5.8

2011

6.6

2011

6.2