2013

7.6

2006

5.9

2014

5.6

2015

7.4

2023

6.5

2016

6.5

2010

7.0

1965

5.5

1982

5.9

1992

7.3

7.8

8.1

2020

5.8

1968

5.5

1941

6.2

2004

6.5

2021

9.8

2008

7.7

2009

6.5

2017

7.6