1989

9.2

2010

4.4

2021

9.2

2007

6.5

2007

4.9

2003

5.8

2008

6.5

2012

6.9

2014

6.3

1945

7.1

2009

6.7

1965

7.1

2021

5.6

1976

6.6

2002

7.5

2020

6.8

1994

5.9

2015

9.0

2025

7.2

1995

7.4