1956

7.1

2020

6.8

2009

6.5

1993

5.3

1985

7.0

2006

6.3

2014

7.0

1989

6.4

2014

7.8

2023

9.2

1969

6.6

1965

6.7

2022

7.3

1997

6.1

2008

6.9

2007

6.3

1993

6.2

2004

7.1

2013

7.2