2013

6.1

2008

5.7

2013

6.1

1998

6.0

1994

5.4

2004

6.0

2023

6.2

2003

6.2

2007

8.2

1995

5.2

2010

6.7

1949

6.2

2011

7.6

2007

5.7

1997

6.3

1989

5.9

2024

6.4

2021

5.7

2017

5.8

2020

5.0